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  3. 3 60 cm 4 30 cm the resistance of the filament of

3 60 cm 4 30 cm The resistance of the filament of a lamp increases...

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3 60 cm 4 30 cm The resistance of the filament of a lamp increases with the increase in temperature A lamp rated 100 W and 220 V is connected across 220 V power supply If the voltage drops by 10 then the power of the lamp will be 1 100 W 2 81 W 3 Less than 81 W 4 Greater than 81 W 2

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