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When the number of turns and the length ...

When the number of turns and the length of the solenoid are doubled keeping the area of cross-section same, the inductance

A

remains the same

B

is halved

C

is doubled

D

becomes four times

Text Solution

Verified by Experts

The correct Answer is:
C
`L=mu_(0)(N^(2))/(l)A.` when `N` and `l` are doubled. `L` is also doubled.
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