A short solenoid of length 4 cm, radius ...

A short solenoid of length 4 cm, radius 2 cm and 100 turns is placed inside and on the axis of a long solenoid of length 80 cm and 1500 turns. A current of 3 A flows through the short solenoid. The mutual inductance of two solenoid is

0.12 H

`5.3xx10^(5)H`

`3.52xx10^(-3)H`

`8.3xx10^(-5)H`

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