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The number of turns in a long solenoid i...

The number of turns in a long solenoid is 500. The area of cross-section of solenoid is `2 x× 10^(–3) m^(2)`. If the value of magnetic induction, on passing a current of 2 amp, through it is `5 x× 10^(–3)` tesla, the magnitude of magnetic flux connected with it in webers will be

A

`5xx10^(-3)`

B

`10^(-2)`

C

`10^(-5)`

D

`2.5`

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The correct Answer is:
A
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