Magnetic field due to currentEasy
Question
Solenoid of 1.5m length and negligiable diameter posses 10 turns per cm. A current of 5A is flowing through it. The magnetic field at axis of solenoid is :-
Options
A.2π × 10-3 T
B.2π × 10-5 T
C.4π × 10-3 G
D.4π × 10-5 G
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