1.

If N is the number of turns in a coil, the value of self inductance varies as prop _____

Answer»

`N^0`
N
`N^(1/2)`
`N^2`

SOLUTION :SELF inductance of a coil of N turns
In `L=(mu_0N^2A)/l , (mu_0A)/l` CONSTANT
`therefore L prop N^2`


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