A) 25 watt bulb
B) 100 watt bulb
C) First 25 watt and then 100 watt
D) Both with same brightness
Correct Answer: A
Solution :The resistance of 25 W bulb is greater than 100 W bulb. So for the same current, heat produced will be more in 25 W bulb. So it will glow more brightly.
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