Categories > Alternating Current > AC circuits > In a region of uniform magnetic induction $B = {10^{ - 2}}\,tesla$, a circular coil of radius $30 cm$ and resistance $\pi ^2$ ohm is rotated about an axis which is perpendicular to the direction of $B$ and which forms a diameter of the coil. If the coil rotates at $200 rpm$ the amplitude of the alternating current induced in the coil is

Alternating Current

Question: In a region of uniform magnetic induction $B = {10^{ - 2}}\,tesla$, a circular coil of radius $30 cm$ and resistance $\pi ^2$ ohm is rotated about an axis which is perpendicular to the direction of $B$ and which forms a diameter of the coil. If the coil rotates at $200 rpm$ the amplitude of the alternating current induced in the coil is


1) $4\pi ^2$ mA
2) $30$ mA
3) $6$ mA
4) $200$ mA
Solution: Explanation: No Explanation
AC circuits

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