PHY 112 - Rio Salado Quizzes Flashcards _ Quizlet

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12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 1/15 Try the fastest way to create flashcards PHY 112 - Rio Salado Quizzes 11 studiers today 4.0 (1 review) Science Physics Students also viewed Terms in this set (100) Others also viewed these textbooks Search for a textbook or question Fundamentals of Physics 10th Edition • ISBN: 9781118230718 (3 more) David Halliday, Jearl Walker, Robert Resnick 8,971 solutions A 1 J PHY midterm 62 terms memirizio Preview P phy 112 midterm (rio salado) 73 terms Erin_Vigil3 Preview PHY 112 Final Quizzes 115 terms yak_nak Preview PHY112 quizzes Teacher 85 terms robertballance Preview PHY112-2 Final 114 terms memirizio P Flashcards Learn Test Match Q-Chat

12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 2/15 Three charged particles are held in place. Particle A has a net charge of +2 μ C and is at (0, 0) m. Particle B has a net charge of -4 μ C and is placed a (0.5, 0) m. Particle C has a net charge of -4 μ C and is at (0, 0.5) m. What is the magnitude of the net force on particle A? A) 0.41 N B) 0.29 N C) 0.58 N D) 0.17 N A) 0.41 N Which of the following statements regarding static electric charge is most accurate? A) Force is proportional to the distance between the charged particles. B) Force is proportional the inverse distance between the charged particles. C) Force is proportional to the inverse square distance between the charged particles. D) Force is proportional to the square of the distance between the charged particles. C) Force is proportional to the inverse square distance between the charged particles. Two neutral metal blocks are in physical contact side-by-side. Block A is on the left, and block B is on the right. A positively charged rod is near the left side of block A (see below). With the positive rod still present, the blocks separate. As a result, block B will have a net charge that is A) positive. B) negative C) neutral D)not enough information. A) positive Flashcards Learn Test Match Q-Chat

12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 3/15 Three charged particles are held in place. Particle A has a net charge of +2 μ C and is at (0, 0) m. Particle B has a net charge of +4 μ C and is placed a (0.5, 0) m. Particle C has a net charge of -4 μ C and is placed at (0, 0.5) m. What is the angle of direction of the net force acting on particle A? A) 45 ° B) 135 ° C) 225 ° D) 315 ° B) 135 ° Which of the following statements concerning the structure of an atom is accurate? A) Electrons orbit the nucleus exactly the same way that planets orbit the Sun. B) Neutrally charged atoms contain equal amounts of protons and electrons. C) The nucleus of an atom is composed of protons and electrons. D)None of the above statements are accurate. B) Neutrally charged atoms contain equal amounts of protons and electrons. The property of matter that is responsible for static electric effects is A) charge. B) mass. C) momentum. D) density. A) charge A positively charged plastic balloon filled with air will stick to a neutrally charged nonmetal ceiling. Which of the following is the most likely explanation for this behavior? A) Some of the charge on the balloon transferred to the ceiling through conduction. B) The ceiling already had a net positive charge. C) The ceiling already had a net negative charge. D) The balloon caused the ceiling to polarize, which created a net attracting force between the polarized ceiling and the balloon. D) The balloon caused the ceiling to polarize, which created a net attracting force between the polarized ceiling and the balloon. Flashcards Learn Test Match Q-Chat

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12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 4/15 Two charged particles each with a net charge of -q are a distance r apart. The electric force F is measured. The distance between the particles then doubles to 2r, and the amount of charge on BOTH charges doubles to -2q. Relative to the original force, what is the new electric force? A) 1/2 F B) 2 F C) 4 F D) F D) F Particle A has a net charge of -5 μ C. Particle B has a net charge of +10 μ C. Which of the following is the largest force? A) The force of particle A on B B) The force of particle B on A C) They apply the same force on each other. D) More information is needed (the distance between the particles needs to be known). C) They apply the same force on each other. Which of the following particles carries the positive type of charge? A) Protons B) Neutrons C) Electrons D) More than one of the above carry a positive type of charge. A) Protons Two positively charged particles experience a static electric force of F. One of the particles is replaced with a new charged particle that has three times more charge than the original. The new static electric force will be A) F. B) 3F C) 1/3F D) 9F B) 3F Flashcards Learn Test Match Q-Chat

12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 5/15 Two charged particles both have positive net charges. They are near each other and released from rest. Which of the following statements best describes the interaction of the particles? A) The particles will attract. As they get closer together, the force of attraction will increase. B) The particles will attract. As they get closer together, the force of attraction will decrease. C) The particles will repel. As they get further apart, the repelling force will increase. D) The particles will repel. As they get further apart, the repelling force will decrease. D) The particles will repel. As they get further apart, the repelling force will decrease. Which of the following statements regarding charge is most accurate? A) One type of charge acts like an invisible fluid that can move between objects. B) Objects with like charges repel, while objects with opposite charges attract. C) Objects with like charges attract, and objects with opposite charges also attract. D) Static electric forces, like gravity forces, always attract and never repel. B) Objects with like charges repel, while objects with opposite charges attract. An object has a positive net charge. The most likely reason for the net charge is that A) electrons were transferred onto the object. B) electrons were transferred off the object. C) protons were transferred onto the object. D) protons were transferred off the object. B) electrons were transferred off the object. Flashcards Learn Test Match Q-Chat

12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 6/15 An electroscope is a device that has small gold foil strips suspended from a metal rod. If the electroscope is negatively charged, the foil strips will repel and separate from each other (see below). If you bring a negatively charged rod near the top of a negatively charged electroscope, the foil strips will A) separate further. B) move closer together. C) not move at all. D) not enough information. A) separate further A particle with a net charge of -2 μ C is halfway between two particles with a net charge of +4 μ C and +6 μ C, respectively. The two positively charged particles are 10 cm apart. What is the magnitude of the net force on the negative particle? A) 72 N B) 14.4 N C) 3.6 N D) 18 N B) 14.4 N What is the net charge on an object that has gained 8 x 1013 electrons? A) -8 x 10^13 C B) -5 x 10^32 C C) -1.3 x 10^-5 C D) -2 x 10^-33 C C) -1.3 x 10^-5 C Which of the following processes will NOT result in a change in net charge on an object? A) Conduction B) Induction C) Polarization D) All of the above processes will result in a change in net charge on an object. C) Polarization Which of the following statements regarding charge is most accurate? A) Charge is a fundamental property of matter. B) Protons and electrons carry equal amounts of charge. C) Two types of charge are possible. D) All of the above are accurate. D) All of the above are accurate. Flashcards Learn Test Match Q-Chat

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12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 7/15 Which of the following is an example of an insulator? A) A piece of paper B) A block of wax C) A block of glass D) All of the above are examples of insulators D) All of the above are examples of insulators A negatively charged particle moves through various electric fields. Which of the following correctly indicates whether the negatively charged particle gained or lost energy in each of the following examples? Gained energy, lost energy, gained energy Electric potential is the ratio of energy per amount of charge on a particle in an electric field A particle with a charge of +2 μ C is at the position marked by the x. Which statement concerning the particle's energy at this position is most accurate? the particle will have a positive energy term Four point charges form a square 1.0 m on each side (see below). What is the potential at a point in the center of the square of the value of q is 2 nC? 25.4 V Which of the following statements regarding energy and potential is accurate? both energy and potential are scalar measurements How much energy does it take to move a particle with a charge of +6.0 μ C a distance 0.5 m through a uniform electric field with a strength of 700 N/C? 2.1x10-3 J Four equal positive point charges move through a uniform electric field as shown below. Which of the following correctly ranks the energy GAINED by the particles from greatest to least? A = D > B > C Flashcards Learn Test Match Q-Chat

12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 8/15 Based on the equipotentials shown in the example below, order the magnitude of the potentials at points A, B, and C (from greatest to least). A > B > C When drawing the equipotential 3D maps, positive point sources will form hills Two +2 C charges are placed at two of the vertices of an equilateral triangle. What is the direction of the net electric field at point P? right An electron moving to the right at a constant speed moves into an electric field. The electric field is to the left. Which of the following correctly indicates how the field will affect the electron's motion? the electron will speed up Consider a uniform electric field of 50 N/C directed towards the east. If the potential measured at some point in the field is 80 V, what is the potential at a position 1.0 m directly east of that point? 30 V The diagram below shows both the electric field lines and the equipotentials near a point source. Which of the following statements accurately describes the diagram? The arrows represent the direction of the electric field, the circles represent positions with equal potential, and the source charge is negative. An electron moves through a potential difference of 1500 V. The magnitude of the change in potential energy experienced by the electron is 1500 eV Which of the following correctly shows the equipotentials near a negative point source? C (the one with only circles) How much energy does it take to move a particle with a charge of +2 nC, from an initial position infinitely far from a second particle with a charge of +3 mC, to a final position 0.20 m from the second particle? 0.27 J Flashcards Learn Test Match Q-Chat

12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 9/15 Two charged parallel plates have a uniform field strength of 1200 N/C between them. If the separation distance between the plates is 0.15 m, what is the potential difference between the plates? 180 V Which of the following statements regarding equipotentials and electric fields is accurate? electric field lines are perpendicular to equipotential lines The units used to measure the strength of an electric field are Newtons per Coulomb (N/C) Based on the plot of equipotentials shown in the example below, order the magnitude of the electric field strength at points A, B, and C (from greatest to least). A > B > C Two identical batteries, each with a voltage of V, connect in a series to a resistor (see below). The voltage across the resistor is 2V Two parallel wires are horizontally oriented. The top wire has current of some value I directed to the left, and the bottom wire has current of 2 x I directed to the right. At what point will the magnetic fields cancel out? some point above the top wire Which of the following correctly identifies the initial direction of the force on the moving positively charged particle (i.e., current in the wire is directed to the left as indicated by the arrow ). down Which of the following correctly identifies the initial direction of the force on the moving positively charged particle? right Which of the following resistors will experience the largest flow rate of charge? All the resistors have identical resistance. R4 The maximum torque on a set of 20 square loops with edge lengths of 6 cm in a 4.0 T magnetic field is Not enough information is stated. The torque depends on the amount of current in the loop. Flashcards Learn Test Match Q-Chat

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12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 10/15 A wire oriented so that the current flows into the screen experiences a force that deflects downward. The direction of the magnetic field must be right What is the magnitude of the force on a 0.5 m wire that has 4.0 A of current in a uniform magnetic field of 2.0 T? The wire and the magnetic field are perpendicular to each other. 4N Which of the following correctly indicates the result of cutting the following permanent magnet in half along the dotted line as shown below? Each half will have both north and south poles. A light bulb connects to a battery. A second, identical light bulb connects in parallel to the first light bulb (see below). The connecting wires have negligible resistance. When the switch is closed, the original light bulb will experience no change in brightness Which of the following correctly identifies the initial direction of the force on the moving negatively charged particle? right Which of the following correctly identifies the initial direction of the loop's rotation? The left side of the loop will move out of the screen, while the right side of the loop will move into the screen. Magnetic effects are caused by moving charges Two identical batteries, each with a voltage of V, connect to each other in parallel. This arrangement then connects to a resistor (see below). The voltage across the resistor is V A positively charged 2 mC particle moving in the upwards direction at a speed of 20 m/s enters a 3.0 T field directed into the page. The particle path curves with a radius of 6 cm. What is the mass of the particle? 1.8 x 10-5 kg Flashcards Learn Test Match Q-Chat

12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 11/15 What is the direction of the magnetic field at the position marked by the X ? out if the screen What is the magnitude of the magnetic field strength at a position 1.0 cm away from a wire with 3.0 A of current? 6x 10-5 T A charged particle moving to the right enters a uniform magnetic field directed into the page. The charged particle experiences a magnetic force. Which of the following is a true statement (disregard any gravitational effects)? The speed of the particle will remain the same. A battery with an emf of 12 V connects in parallel to a 50 Ω and 25 Ω resistor. The current through the battery is 0.70 A. What is the internal resistance of the battery? 0.54 Ω What is the direction of the magnetic field at the position marked by the X? right A 9.0V battery connects to a wire resistor. The wire resistor is tungsten ( ρ = 5.6 x 10-8 Ω -m) 0.5 m long, has a radius of 1.2 x 10-5 m. What is the current through the resistor? 0.15 A Which of the following statements concerning conventional current is correct? Conventional current is the movement of positive charge and flows through a circuit in a direction from positive to negative. How many electrons will flow through a wire in 2.0 min if the current is 0.5 amps? 3.8 x 1020 electrons A student plugs a device into a U.S. wall outlet (Vrms = 120 V) and measures the peak current through the device as I = 2.0 A. What is the average power used by the device? 170 W Two resistors, A and B, individually connect to a 9V battery. A student notices that resistor A is warmer than resistor B. Which resistor has the greatest resistance? Resistor B has the greatest resistance. Flashcards Learn Test Match Q-Chat

12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 12/15 An electron moves through a potential difference of 1500 V. The magnitude of the change in potential energy experienced by the electron is 1500 eV Which device would cost more to run continuously for 1 hr? A television that uses a 120 V potential difference to draw 1.25 A of current A battery connects to a resistor. The rate of energy dissipated by the resistor is 1.44 W. The rate of energy supplied by the battery is equal to 1.44 W. A student claims that a 60 W incandescent light bulb and a 15 W CFL light bulb are equally bright (i.e., produce the roughly the same amount of light each second). This is because in addition to producing light, the incandescent bulb also dissipates more heat than the CFL. The purpose of a resistor in a circuit is to restrict the flow of charge. A particular alternating voltage supply completes 10 full voltage cycle every 1 sec. A resistor connects to the alternating voltage supply. The resulting current will cycle at a frequency equal to 10 Hz What is the current in a wire if 4 x 1018 electrons flow through the wire every 3 sec? 0.21 A A particle with a mass of 0.01 kg and a net charge of -0.05 C accelerates from rest through a uniform electric field. If the strength of the field is 2000 V/C, what is the speed of the particle after traveling for 0.5 m? 100 m/s The purpose of a battery in a circuit is to act as a source of energy Which of the following correctly shows the equipotentials near a negative point source? C (looks like bullseye) Which of the following explains why international travelers need to use special adapters when plugging a device designed to operate in the U.S. into a wall outlet in Europe (i.e., Vrms in the U.S. is 120 V, while Vrms in Europe is 240 V)? The increased voltage causes an increase in power usage, and the device will overheat. Flashcards Learn Test Match Q-Chat

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12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 13/15 Wire resistor A has twice the length and twice the cross sectional area of wire resistor B. Which of the following accurately compares the resistances of wire resistors A and B? Wire A has the same resistance as wire B. The U.S. has an alternating current frequency of 60 Hz. China has an alternating current frequency of 50 Hz. This means that the number of times voltage cycles in a minute in the U.S. is greater than the number of times voltage cycles in China. Wall outlets in Australia provide a peak voltage of 338 V. What is the RMS current through a device that has an average power rating of 800 W? 3.3 A An electron moves from a position next to a negatively charged source to a position next to a positively charged source (see below). Which statement is accurate? The electron will lose energy and move to a higher potential. An object is at a position of 6.0 cm from a diverging lens with a focal length of 3.0 cm. The image can best be described as virtual and upright The focal length of a curved mirror depends on the radius of curvature of the mirror The focal length of a lens depends on the all of the above (radius of the curvature of the lens; index of refraction of the lens; index of refraction of the medium surrounding the lens) An object is at a position 6.0 cm from a converging lens with a focal length of 3.0 cm. The position of the image relative to the lens is +6cm You place an arrow in front of a diverging mirror and determine the position of the image. If you place a piece of paper at the image position, what will you observe on the paper? you will not see anything on the paper What is the critical angle of a light ray traveling through a material 1 (n = 1.6) incident on material 2 (n = 1.3)? 54.3 ° A student solves for the image height produced by a curved mirror and obtains a negative value. This means the image is inverted Flashcards Learn Test Match Q-Chat

12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 14/15 We have an expert-written solution to this problem! We have an expert-written solution to this problem! An object with a height of 1.0 cm is at some position from a converging mirror. The image is real and has a height of 0.33 cm. The statement that best compares the object and image positions is the image is closer to the mirror than the object An object is at a position 2.0 cm from a converging lens with a focal length of 3.0 cm. Compared to the object height, the image height is larger Images produced with diverging lenses are always virtual and upright Which of the following lens arrangements will always result in images that are smaller than their original objects? Any object placed at any do in front of a diverging lens. An object is at a position of 6.0 cm from a converging lens with a focal length of 3.0 cm. The resulting image is real and inverted You place an arrow in front of a converging mirror at some position do > 2f. You observe the position of the image and place a piece of paper at the image position. What will you observe on the paper? you will see a small, upright arrow An object with a height of 2.0 cm is at a position 6.0 cm in front of a converging lens. An observer notes that the image is upright and has a height of 4.0 cm. What is the focal length of the lens? 12cm A light ray is incident on a plane mirror with an angle of 50 ° . The reflected angle of the light ray is equal to 50 ° A ray diagram showing the principle rays traveling from the tip of an arrow through a converging mirror is below. An additional ray is also incident on the mirror. Which of the rays shows the correct reflection for this ray? C An object is at a position 3.0 cm from a converging lens with a focal length of 3.0 cm. The image is best described as no image will form Flashcards Learn Test Match Q-Chat

12/11/23, 2:53 PM PHY 112 - Rio Salado Quizzes Flashcards | Quizlet https://quizlet.com/518132239/phy-112-rio-salado-quizzes-flash-cards/ 15/15 We have an expert-written solution to this problem! An object with a height of 4.0 cm is at a position of 6.0 cm in front of a converging lens. The image inverts and is at a position 3.0 cm from the lens. The image height is 2cm An object is at a position 6.0 cm from a converging lens with a focal length of 3.0 cm. Compared to the object height, the height of the image is same size A light ray traveling through a material with an index of refraction of 1.2 is incident on a material that has an index of refraction of 1.4. Compared to the incident angle, the refracted angle of the light ray is smaller than the incident angle Flashcards Learn Test Match Q-Chat

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