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				| 1. | In a region of uniform magnetic induction \[B={{10}^{-2}}\,tesla\], a circular coil of radius 30 cm and resistance p2 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 [CBSE PMT 1990] | 
| A. | 4p2 mA | 
| B. | 30 mA | 
| C. | \[{{e}^{2}}c/2\pi h\] | 
| D. | 200 mA | 
| Answer» D. 200 mA | |