Magnetic field due to currentEasy
Question
The coil in a tangent galveanometer is 16 cm in radius. If a current of 40 mA produces a defliection of 45o and horizontal component of earth magnetic field is 36μT, than number of turns are wound on the coil will be :-
Options
A.129
B.229
C.329
D.429
= BHMore Magnetic field due to current Questions
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