Identify the law used to find the direction of eddy currents. a) Lenz’s law b) Maxwell’s law c) Ampere’s law d) Faraday’s law View Answer
Q: 1. An electron experiences a magnetic force of 8.32×10-17 N when traveling at 19.5° with respect to…
A:
Q: 16) Kirchhoff's loop rule is a consequence of what fundamental principle? A. conservation of…
A: Kirchhoff's loop rule is a consequence of the law of the conservation of energy. In the context of…
Q: Direction of the force on the wire going through point p
A:
Q: 5) Draw two diagrams illustrating when the battery is at 10V and is facing BOTH directions. On each…
A:
Q: What is the SI unit of current? a) Coulomb (C) b) Ampere (A) c) Farad (F) d) Newton (N)
A: B
Q: 1. Which of the following is true about Ampere’s discovery. A. Magnetic repulsion exists between two…
A: Amperes law gives the direction and the magnetic field produced, when current is passed through…
Q: 5. An electron travels at 2.0 x 107 m/s in a plane perpendicular to a 0.010 T magnetic field.…
A: Given data: The speed of the electron is v=2.0×107 m/s The magnetic field isB=0.010 T
Q: Which law is used in finding the direction of current in an a.c. generator? a) Maxwell’s law b)…
A: The direction of current in a.c. generator can be determined using Lenz's law. According to Lenz's…
Q: 3. One way of expressing the rule for magnetic field lines around a current-carrying wire is that if…
A: Right Hand Palm Rule: This rule is used for identifying the direction of current and the magnetic…
Q: Write Faraday law. Explain mathematically (i.e. using equations not words) why it is not equivalent…
A: Faraday Law is given by ∮E→. dl=-∂∂t∫sB.ds∮E→. dl=-∫∂B∂tdswhere as in differential form∇×E→=-∂B→∂t…
Q: presence magnetic field into the page, as shown. A 4-ohm resistor is connected into the circuit. 4Ω…
A:
Q: According to Lenz’s law, a decreasing magnetic flux will result to an induced current that produces…
A:
Q: A magnet is moving toward a solenoid and a potential difference is induced between the two ends of…
A: a) if the speed of magnet is increased induced emf will increase because rate of change of flux will…
Q: A compass is made of A. aN magnet and a S magnet B. a magnetic needle that is free to rotate C. two…
A: A compass is made of A. a N magnet and a S magnet B. a magnetic needle that is free to rotate C. two…
Q: As per Faraday's law of electromagnetic induction, an emf is induced in a conductor whenever: A.…
A: Given:-As per Faraday's law of electromagnetic induction, an emf is induced in a conductor
Q: 7. Which of the following statements can describe the process of the law of induction? A. Increase…
A: According to law of induction:e=-dϕdt =-NddtB.Ae=NddtBAcoswte=NBAwsinwt
Q: A bar magnet is cut into four pieces. Then each piece. O a. has only north pole O b. has a north and…
A: When a bar magnetic is cut into four pieces, Then each piece behave like a magnet.
Q: 2. Two long currents are coming out of the paper. For the figure below, what is the B field at Point…
A: By long current carrying wires, mag field at a distance r is B=μo2πir Due to i1…
Q: he S.I unit of magnetic field is
A: 1------ Magnetic field unit is .... TESLA....... OPTION A..... Ampere -unit of current Ohm-- unit…
Q: Which of the following describes the magnets mechanism of attraction? a. A magnet has north and…
A: (1) Similar poles repel and unlike poles attracts
Q: 4. What device was used in conducting various experiments such as with magnetically induced emf by…
A:
Q: . Which of the following is NOT part of an electromagnet? A. an iron or steel rod B. copper wire C.…
A: Que 1 amswer:) (D) a magnetized bar of metal is not a part of electromagnet look at following…
Q: For the magnetic structure below, draw the equivalent circuit beside it. Be sure
A: Given:magnetic circuits with mmf sources and air gapsAsked:to find equivalent circuits and also to…
Q: A beam of electrons is moving horizontally straight toward you. As it approaches, it passes through…
A: To calculate direction of magnetic force (F) , we use the following equation The magnetic force on a…
Q: Two long parallel wires carry currents in the same direction. What happens to the magnitude of the…
A:
Q: A loop of electric current will create A. a long, straight B field B. a magnetic dipole B field C. a…
A: option B is correct as explained in the image attatched.
Q: A transformer has 200 turns on its primary and 12 turns on its secondary. If the input voltage is…
A: Given data: Np = 200 and Ns = 12 Vp = 2000 N Required: The output voltage (Vs)
Q: Which of the following rule is used to determine the direction of rotation of the coil of the D.C…
A: Right hand rule gives the direction of motion of coil.
Q: An old microwave oven outputs only half the electric field it used to. How much longer does it take…
A: Given data: The electric field output of the old microwave is E'=E/2. The expression for the…
Q: The figure shows a solenoid that carries a current I. The magnetic field is measured at points A, B…
A: Given, The current flowing through the solenoid is i=I We have to find at which point from the…
Q: 4. The magnetic field of a bar magnet is shown. Where is the magnet's north pole? * O Midway between…
A: Outside a magnet magnetic field lines originate from the north pole and ends at the south pole.
Q: Which of the following would cause the light bulb to glow? O A. Placing the magnet beside the light…
A: A group of students is given a loop of wire connected to a light bulb and a bar magnet. They are…
Q: When you push the South end of a magnet into a solenoid, it creates a negative voltage. If you push…
A:
Q: At the South Pole, the Earth’s magnetic field is directed upwards. If a plane is flying over the…
A: The Earth’s magnetic field is directed upwards. If a plane is flying over the South Pole the…
Q: Which of the following statements is true about magnetic field lines? O a. They are far away at the…
A: In this problem, it is asking about to magnetic field line.
Q: An object can be loaded using a. Rubbing b.Driving c.Induction d. All answer are correct
A: Certain pairs of materials when rubbed against each other, will become oppositely charged. This is…
Q: The device works on the principle of torque on a current loop placed in magnetic field a. Motor…
A: When the current-carrying loop placed in a uniform magnetic field, it experiences a torque. It does…
Identify the law used to find the direction of eddy currents.
a) Lenz’s law
b) Maxwell’s law
c) Ampere’s law
d) Faraday’s law
View Answer
Step by step
Solved in 2 steps
