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A long solenoid has 1000 turns. When a ...

A long solenoid has 1000 turns. When a current of 4A flows through it, the magnetic flux linked with each turn of the solenoid is 4x`10^-3` Wb. The self - inductance of the solenoid is

A

`1H`

B

`4H`

C

`3H`

D

`2H`

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