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MHT CET2007PhysicsDual Nature of Matter

If coil is open then L and R become

Options

  1. A, 0
  2. B0,
  3. C,
  4. D0,0

Correct answer

B. 0,

Step-by-step solution

When coil is open, there is no current in it, hence no flux is associated with it, ie, =0 . Also, we know that flux linked with the coil is directly proportional to the current in the coil, ie, i or =L i where L is proportionality constant known as self-inductance. L= i =0 Again since i=0 , hence, R= .

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