Which has more resistance 100W bulb or 200W bulb and why?
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P=V²/R
where P is the power, V is the voltage across it(in this case the rated voltage) and R is its resistance.
Assuming that both bulbs are rated for the same voltage, the bulb with lower power will have higher resistance. Therefore 1000W bulb has more resistance.
where P is the power, V is the voltage across it(in this case the rated voltage) and R is its resistance.
Assuming that both bulbs are rated for the same voltage, the bulb with lower power will have higher resistance. Therefore 1000W bulb has more resistance.
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Ans: 200W has more resistance . Because,
P = I^2 R
so, P = R
More the power , more the resistance ...
Hope it helps...!!
P = I^2 R
so, P = R
More the power , more the resistance ...
Hope it helps...!!
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