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.
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.
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.