Which has more resistance 100w or 60w bulb connected to the same source?
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Power P = V*2/R
For a give voltage V, P is inversely proportional to R. So the 60 W bulb will have more resistance than the 100 W bulb.
For a give voltage V, P is inversely proportional to R. So the 60 W bulb will have more resistance than the 100 W bulb.
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