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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A house is fitted with certain numbers of 100 W, 230 V incandescent lamps. The power to the house is fed by a generator producing the power at 240V. The resistance of the wires from the generator to the house is 2Ω. Find the maximum number of lamps that can be illuminated so that the voltage across none of the lamps drops below 230 V.

A house is fitted with certain numbers of 100 W, 230 V incandescent lamps. The power to the house is fed by a generator producing the power at 240V. The resistance of the wires from the generator to the house is 2Ω. Find the maximum number of lamps that can be illuminated so that the voltage across none of the lamps drops below 230 V.

A house is fitted with certain numbers of 100 W An electric bulb rated 220 V and 60 W is connected in series with another electric bulb rated 220Vand40W. The combination is connected across a source of emf 220 V. Which bulb will glow more?