chap 8 9 10

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Dec 6, 2023

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11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 1/13 M04 Chapters 8, 9 and 10 Assessment Due Sep 17 at 11:59pm Points 30 Questions 30 Available until Sep 17 at 11:59pm Time Limit 30 Minutes Allowed Attempts 2 Instructions This quiz was locked Sep 17 at 11:59pm. Attempt History Attempt Time Score LATEST Attempt 1 22 minutes 28 out of 30 Answers will be shown after your last attempt Score for this attempt: 28 out of 30 Submitted Sep 17 at 12:57am This attempt took 22 minutes. You will have 30 multiple-choice questions to answer over the material, one point each for a total of 30 points. The 'clock' is set for 30 minutes, so make sure you have reviewed the material before and are ready to take this. You'll be able to take this quiz twice and the highest score of the two attempts will be kept. Good luck! 1 / 1 pts Question 1 When we say charge is conserved, we mean that charge can _______. take equivalent forms be created or destroyed, as in nuclear reactions only be transferred from one place to another
11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 2/13 be saved, like money in a bank 1 / 1 pts Question 2 Coulomb's law is similar in form to _______. Ohm's law Faraday's law Newton's law of gravity all of Newton's laws of motion 1 / 1 pts Question 3 An electric field surrounds all_________________. electrons protons of the given answers electric charge 1 / 1 pts Question 4 Electric charge will flow in an electric circuit when________________.
11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 3/13 electrical devices in the circuit are not defective electrical resistance is low enough the circuit is grounded a potential difference exists 1 / 1 pts Question 5 The electric current in a copper wire is normally composed of _______. electrons electrons, protons, and/or ions ions protons 1 / 1 pts Question 6 The amount of current in a circuit depends on______________________. neither of these answers the electrical resistance of the circuit both of these answers the voltage across the circuit
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11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 4/13 1 / 1 pts Question 7 When you double the voltage in a simple electric circuit, you double _______. both of these answers neither of these answers the current the resistance 1 / 1 pts Question 8 If you double both the current and the voltage in a circuit, the power _______. remains unchanged if resistance remains constant doubles quadruples halves 1 / 1 pts Question 9 The electric charge of all electrons
11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 5/13 are identical. No answer text provided. vary from atom to atom. vary from ion to ion. 1 / 1 pts Question 10 For magnets, like poles repel each other and unlike poles_________________. also repel each other can carry a lot of energy can disappear into nothingness attract each other 1 / 1 pts Question 11 The electric force between charges depends on the magnitude of electric charges both of these none of these answers separation distance between electric charges
11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 6/13 1 / 1 pts Question 12 Moving electric charges are surrounded by_______________________. both of these answers electric fields neither of these answers magnetic fields 1 / 1 pts Question 13 The magnetic domains in a magnet produce a weaker magnet when the magnet is _______. neither of these answers dropped heated either of these answers 1 / 1 pts Question 14 The magnetic field lines about a current-carrying wire form _______.
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11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 7/13 spirals radial lines circles eddy currents 1 / 1 pts Question 15 The fact that a force is exerted on a current-carrying wire when in a magnetic field is employed in _______. both of these electric meters neither of these answers motors 1 / 1 pts Question 16 If you change the magnetic field inside a closed loop of wire, you induce in the loop _______. a current a voltage all of these an electric field
11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 8/13 0 / 1 pts Question 17 Incorrect Incorrect A motor and a generator are________________________. similar devices completely different devices with no similarities energy sources forms of transformers 1 / 1 pts Question 18 A step-up transformer in an electrical circuit can step up____________________. energy both of these voltage neither of these 1 / 1 pts Question 19 Electricity and magnetism connect to form _______.
11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 9/13 ultra high-frequency sound mass energy light 1 / 1 pts Question 20 Unlike electric charges, magnetic poles cannot be destoyed. isolated. No answer text provided. located. 1 / 1 pts Question 21 The difference between musical sounds and noise involves _______. longitudinal versus transverse wave motion irregular versus regular vibrations pitch the speed of wave travel
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11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 10/13 0 / 1 pts Question 22 Incorrect Incorrect Wave speed depends on frequency and what else? Wavelength Amplitude None of these answers. Period 1 / 1 pts Question 23 The vibrations along a transverse wave move in a direction _______. neither of these answers along the wave perpendicular to the wave Both of these answers are correct 1 / 1 pts Question 24 The source of sound is something that is___________________. accelerating
11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 11/13 moving vibrating impulsing 1 / 1 pts Question 25 The vibrations along a sound wave move in a direction _______. perpendicular to the wave Both of these answers are correct along and parallel to the wave Neither of these answers is correct 1 / 1 pts Question 26 When an object is set vibrating by a wave having a frequency that matches the natural frequency of the object, what occurs is _______. refraction amplitude reduction resonance forced vibration
11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 12/13 1 / 1 pts Question 27 Noise-canceling devices such as jackhammer earphones make use of sound _______. amplification resonance destruction interference 1 / 1 pts Question 28 What occurs with the Doppler effect are changes in _______. Both of these answers are correct frequency due to motion Neither of these answers is correct the speed of sound due to motion 1 / 1 pts Question 29 Bow waves and shock waves are produced by waves that _______. move slower than the source producing them All of these answers are correct.
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11/29/23, 1:14 PM M04 Chapters 8, 9 and 10 Assessment: 12P-Fall 2023-Physical Science https://ivylearn.ivytech.edu/courses/1209460/quizzes/4217176?module_item_id=44057101 13/13 overlap one another constructively interfere 1 / 1 pts Question 30 The pitch of a musical sound is most related to wavelength. speed. frequency. amplitude. Quiz Score: 28 out of 30

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