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The number of turns of a solenoid of len...

The number of turns of a solenoid of length l and area of cross-section A is N. The self-inductance L increases as

A

l and A increase

B

l decreases and A increases

C

l increases and A decreases

D

both l and A decrease

Text Solution

Verified by Experts

The correct Answer is:
B
`L=(mu_(0)N^(2)A)/(l)`
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