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Whenever the magnetic flux () linked with a coil changes the emf is induced in the circuit, This emf lasts
  • a)
    as long as the change in flux continues.
  • b)
    for a long time
  • c)
    for a short time
  • d)
    forever
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Whenever the magnetic flux () linked with a coil changes the emf is in...
Emf=d(fi)/dt...as long as d(fi)/dt exists...emf also exists...this is based on Faraday's law of EMI
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Community Answer
Whenever the magnetic flux () linked with a coil changes the emf is in...
The induced emf ,E=− dϕ​/dt where ϕ=magnetic flux
Hence, emf will last as long as flux keeps changing.
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Whenever the magnetic flux () linked with a coil changes the emf is induced in the circuit, This emf lastsa)as long as the change in flux continues.b)for a long timec)for a short timed)foreverCorrect answer is option 'A'. Can you explain this answer?
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