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The flux linked with a coil at any instant ' t ' is given by =10 t^2-50 t+250 The induced emf at t=3 ~s is

Options

  1. A190 ~V
  2. B-190 ~V
  3. C-10 ~V
  4. D10 ~V

Correct answer

C. -10 ~V

Step-by-step solution

e=- d d t =-(20 t-50)=-10 volt

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