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A big circular coil of and average radius is rotating about its horizontal diameter at . If the vertical component of earth’s magnetic field at that place is and electrical resistance of the coil is , then the maximum induced current in the coil will be:

  1. A
  2. B
  3. C
  4. D

Solution & Step-by-step Explanation

Maximum induced EMF .Given: $
I_{max} = \frac{\epsilon_{max}}{R_{res}} $

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A big circular coil of and average radius is rotating about its horizontal diameter at . If the vertical component of earth’s magnetic field at that place is and electrical resistance of the coil is , then the maximum induced current in the coil will be:
A
B
C
D

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