Question

Out of the three bulbs: 25W, 60 W and 100 W, which bulb has maximum resistance if the supply voltage is 220 V.

Answer 1

Ans:- Hence when bulbs of 40 W, 60 W and 100 W bulb are connected in series, the current flowing will be the same. Across all the three filaments, depending on resistance the voltage will be divided. When the wattage is higher, the resistance will be lower, so the 40 W bulb will have maximum resistance.

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Answer 2

Answer:25 w

Explanation:

As voltage is constant for all bulbs and we know Power ,p=v^2/R and v is constant p is iversly prop to R so the bulb which has Lee's power will have more resistance