A copper loop hangs from two strings, as shown in Figure 1). B. In...

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Question

A copper loop hangs from two strings, as shown in Figure 1). B. In...

A copper loop hangs from two strings, as shown in Figure 1).

B.

In which direction (toward or away from the magnet) does the loop swing if the magnet is moving toward the loop?

C.

In which direction (toward or away from the magnet) does the loop swing if the magnet is moving away from the loop?

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Answer 1

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Answer #1

Part B)

As the north pole of the magnet is moved towards the loop, the magnetic flux linked with the coil increases. To oppose the increase in magnetic flux, the loop induce current in it so as to have north polarity. we know that like poles repel. hence the loop swings away from the magnet.

Away from the magnet

Part C)

As the north pole of the magnet is moved away from the loop, the magnetic flux linked with the coil decreases. To oppose the decrease in magnetic flux, the loop induce current in it so as to have south polarity. we know that unlike poles attract. hence the loop swings towards the magnet.

Towards the magnet

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Answer 2

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