A) 4
B) 8
C) 12
D) 16
Correct Answer: B
Solution :
From the relation\[L={{\mu }_{0}}{{n}^{2}}Al\] If all the dimensions of the frame are increased by a factor of 2, then area is increased by a factor of 4 and length by a factor of 2. Hence, L becomes 8 times.You need to login to perform this action.
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