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Question: If two bulbs of wattage 25 and 100 respectively each rated at 220 volt are connected in series with ...

If two bulbs of wattage 25 and 100 respectively each rated at 220 volt are connected in series with the supply of 440 volt, then which bulb will fuse

A

100 watt bulb

B

25 watt bulb

C

None of them

D

Both of them

Answer

25 watt bulb

Explanation

Solution

In series VA1PRV_{A} \propto \frac{1}{P_{R}} i.e. voltage appear on 25W bulb will be more then the voltage appears on 100 W bulb. So bulb of 25 W will gets fused.