A wire carries a current to its right that is increasing with time at a constant

Question

A wire carries a current to its right that is increasing with time at a constant rate. Loop A is above the left end of the wire. Loop B is centered on the middle part of the wire. Loop C is below the right end of the wire.The induced emf in each of the loops is such that

A)    no emf is induced in any loop.

B)    all loops experience counterclockwise emf.

C)    loop A has clockwise emf, loop B has no induced emf, and loop C has counterclockwise emf.

D)    loop A has counterclockwise emf, loop B has no induced emf, and loop C has clockwise emf.

E)    loop A has counterclockwise emf, loop B clockwise emf, and loop C has clockwise emf.

Explanation / Answer

C)    loop A has clockwise emf, loop B has no induced emf, and loop C has counterclockwise emf.

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