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Q.

Is it true that when the same current I flowing in the same direction in each of the two uniform co-axial circular loops? On bringing the loops near to each other current will increase in each loop?


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a

True

b

False 

answer is B.

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Detailed Solution

When the two uniform co-axial loops are brought near to each other, the mutual flux density will increase. According to Lenz’s law to decrease the flux density, a current will be induced in both the loops in the opposite direction of the flux creating current as a result, the magnitude of current decreases in both the loops. Thus, the given statement is false.
 
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