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Q.

Is it true that the direction of induced current produced in the loop is clockwise if the current flowing in the straight wire if the current is steady and a circular metallic loop is kept above the wire AB as shown below?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is False.
Question ImageWhen the current flowing through the wire AB is steady, then there will be no current induced in the ring, which is kept above the wire AB because, according to Lenz’s law of electromagnetism, the current induced in a circuit due to a change in a magnetic field to oppose the change in flux and since there is no change in the magnetic field due to steady current there will be on induced current in the ring.
The correct statement would be that there will be no induced current in the ring f the current is steady.
 
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