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76.A lamp of 600W - 240V is connected to 220V mains. Its resistance is1.9602. 84023.9004. 649

Answer»

P=600 W V= 220 V 1) I=P/V = 600 W / 220V = 2.7 A. 2) R= V/ I = 220/2.7 = 80 ohm.

tq

then what is the answer



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