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Q.

Two loops are facing each other as shown in figure. State whether the loops will attract each other or repel each other if current I1 is increased.

Two loops are facing each other as shown in Figure. State whether the loops  will attract each other or repel each other if current `I_1` is increased -  Sarthaks eConnect | Largest

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a

attract

b

repel

c

both

d

none of these

answer is B.

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Detailed Solution

If current I1 is increased then induced current in loop-2 (say I2) will be in opposite direction. Now, two wires having current in opposite directions repel each other. So, the loops will repel each other.

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