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In the given circuit R is a resistor, L is an inductor and $B_{1}, B_{2}$ are two bulbs. If the switch S is closed for a long time and then opened

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Both $B_{1} a n d B_{2}$ die out with some delay

$B_{2}$ dies out promptly but $B_{1}$ with some delay

Both $B_{1} a n d B_{2}$ die out promptly

$B_{1}$ dies out promptly but $B_{2}$ with some delay

answer is B.

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Detailed Solution

The current in the inductor decays gradually hence bulbs will glow even after battery is disconnected. The enrgy stores in inductor will support both the bulbs after battery is disconnected.

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