A loop of wire is initially held above a short solenoid. A constant counterclock

Question

A loop of wire is initially held above a short solenoid. A constant counterclockwise (as viewed from above) current I passes through the coils of the solenoid. Suppose that the loop of wire is steadily lowered, passing over the solenoid. (Figure 1)

When asked for the direction of current thoughout this problem, suppose that you are viewing the wire loop from above, looking downward.

Part A

What is the direction of the induced current in the loop when the loop is above the solenoid, moving downward?

What is the direction of the induced current in the loop when the loop is above the solenoid, moving downward?

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Part B

What is the direction of the induced current when the loop is at the midpoint of the solenoid and still moving downward?

What is the direction of the induced current when the loop is at the midpoint of the solenoid and still moving downward?

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Part C

What is the direction of the induced current when the loop is below the solenoid and moving downward?

What is the direction of the induced current when the loop is below the solenoid and moving downward?

Explanation / Answer

part 1 clockwise

part 2 no current

part 3 counter clockwise

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