1.

The length of thin wire required to manufacture a solenoid of inductance L and length l. (if the cross-sectional diameter is considered less than its length) is

Answer»

`sqrt((PILL)/(2mu_(0)))`
`sqrt((4piLl)/(mu_(0)))`
`sqrt((2piLl)/(mu_(0)))`
`sqrt((piLl)/(mu_(0)))`

Answer :B


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