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Question (11)
QN0039223

A square frame of side  and a long straight wire carrying current  are in the plate of the paper. 

Starting  from close to the wire, the frame moves towards the right with a constant speed of  (see figure).

The e.m.f induced at the time the left arm of the frame is at  from the wire is 

  • (A)

           

  • (B)

  • (C)

  • (D)

Correct Answer: D
Explanation:

In the given question,

Current flowing through the wire,

Speed of the frame,

Side of square loop,

Distance of square frame from current carrying wires .

We have to find, e.m.f induced e  ?

According to Biot-Savart's law.

Induced e.m.f.

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