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Debanjana Adhikari posted an Question
June 02, 2020 • 15:05 pm 30 points
  • CSIR NET
  • Physical Sciences

Q40. a current i, flows through the primary coil of a transformer. the graph of i,() as a function of time t is shown in the figure below. ,0 3 which of the fol

Q40. A current i, flows through the primary coil of a transformer. The graph of i,() as a function of time t is shown in the figure below. ,0 3 Which of the following graphs represents the current is in the secondary coil? i, a) i,O i,0 3

2 Answer(s) Answer Now
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  • comment-profile-img>
    Ruby negi best-answer

    this is the solution...

    cropped2027805471.jpg
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    see the solution..

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    for any doubt

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    u can ask.

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    here in the first case, current in secendory is negative (I explained it in the page).

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    in the last case, current in the primary coil is already negative that's why it will be +be in the secondary coil..

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    nice explanation

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    👍

  • comment-profile-img>
    Dhairya sharma best-answer

    see attached

    cropped8174698175994095213.jpg
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    there will be current in secondary coil if and only if primary coil has varying current.

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    dear it's the concept of em induction

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    see attached solution

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    still have any doubt...plz ask

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    dear.....hope u will get it

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