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Question: Answered & Verified by Expert
The magnetic flux through a circuit of resistance R changes by an amount Δ ϕ in a time Δ t . Then the total quantity of electric charge Q , that passes through any point in the circuit during this Δ t time is, represented by
PhysicsElectromagnetic InductionJEE Main
Options:
  • A Q = 1 R Δ ϕ Δ t
  • B Q = Δ ϕ R
  • C Q = Δ ϕ Δ t
  • D Q = R Δ ϕ Δ t
Solution:
1173 Upvotes Verified Answer
The correct answer is: Q = Δ ϕ R
Induced emf is given by ε = Δ ϕ Δ t

Current, I = Q Δ t = Δ ϕ Δ t × 1 R   [where Q is total charge passed in time Δ t ]

⇒      Q = Δ ϕ R

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