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MHT CET202611 April 2026Morning ShiftPhysicsElectromagnetic InductionActual

The following figure represents two bulbs B₁ and B₂ , resistor R and an inductor L. When the switch S is turned off, which of the following statement is true?

Options

  1. AB₁ becomes off promptly but B₂ with some delay
  2. BB₂ becomes off promptly but B₁ with some delay
  3. CBoth B₁ and B₂ becomes off with same delay
  4. DBoth B₁ and B₂ becomes off promptly

Correct answer

C. Both B₁ and B₂ becomes off with same delay

Step-by-step solution

When the switch S is turned off, the main voltage source is disconnected from the circuit. The inductor L has stored energy in its magnetic field. According to Faraday's and Lenz's laws, it opposes the sudden drop in current and acts as a source of emf. A closed loop is formed containing the inductor L, bulb B₂ , bulb B₁ , and resistor R in series. The induced current from the inductor flows through this series loop, meaning the same decaying current passes through both bulbs B₁ and B₂ . Since the current through b

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