First slide

Electrical power

Question

Statement 1: In the given circuit, if lamp B or C fuses, then light emitted by lamp A decreases.
Statement 2: In the given circuit, if lamp B or C fuses, then voltage on A decreases.

Moderate

A

Both statements 1 and 2 are correct
B

Statement 1 is correct statement 2 is incorrect
C

Statement 1 is incorrect statement 2 is correct
D

Both statements 1 and 2 are incorrect

Solution

When lamp B or C gets fused, equivalent resistance of B and C increases. In series voltage distributes in the ratio of resistance, so volt age appears across B increases or in other words voltage across A decreases.

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