A long solenoid has 500 turns. When a current of 2 ampere is passed th – McqOptions

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1.	A long solenoid has 500 turns. When a current of 2 ampere is passed through it, the resulting magnetic flux linked with each turn of the solenoid is \[4\times {{10}^{-3}}\,Wb\]. The self- inductance of the solenoid is
A.	2.5 henry
B.	2.0 henry
C.	1.0 henry
D.	40 henry
Answer» D. 40 henry

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