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Electromagnetic Induction

  1. The magnetic flux through a circuit of resistance R changes by an amount ∆φ in a time ∆t. Then the total quantity of electric charge Q that passes any point in the circuit during the time ∆t is represented by
    1. Q = R.
      Δφ
      Δt
    2. Q =
      1
      .
      Δφ
      RΔt
    3. Q =
      Δφ
      R
    4. Q =
      Δφ
      Δt
Correct Option: C

Δφ
= ε = iR
Δt

⇒ Δφ = (iΔt)R = QR
⇒ Q =
Δφ
R



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