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Author Question: The three loops of wire shown in the figure are all hanging in the same uniform magnetic field that ... (Read 144 times)

lb_gilbert

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on: Oct 11, 2019

Question 1

A bar magnet is oriented above a copper ring, as shown in the figure. The magnet is dropped and passes completely through the ring. As viewed from above, what is the direction of the current induced in the ring after the magnet has completely passed through the ring and is somewhat below it?



◦ There is no current in the ring.
◦ counterclockwise
◦ clockwise

Question 2

The three loops of wire shown in the figure are all hanging in the same uniform magnetic field that is perpendicular to the page and does not vary with time. Loop 1 swings back and forth like the bob in a pendulum, Loop 2 rotates about a vertical axis, and Loop 3 oscillates up and down at the end of a spring. Which loop (or loops) will have an emf induced in them?



◦ Loop 1
◦ Loop 2
◦ Loop 3
◦ Loops 2 and 3
◦ Loops 1 and 3
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Marked as best answer by lb_gilbert on Oct 11, 2019

Jossy

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Reply #1 on: Oct 11, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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lb_gilbert

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Reply #2 on: Oct 11, 2019
Excellent


Jossy

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Reply #3 on: Oct 11, 2019
Great! Please up vote :D


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