a circular coil of 50 turns and diameter 40cm carries a current 12 a. what is the magnetic moment
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magnetic moment = niA
n - no of turns
i - current through the coil
A - area of a coil
mag. moment = 50 x 12 x 3.14 x 0.4 x 0.4
= 301.44 A - sq m
n - no of turns
i - current through the coil
A - area of a coil
mag. moment = 50 x 12 x 3.14 x 0.4 x 0.4
= 301.44 A - sq m
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