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34) Too bulbs have Îłating loovd , 22 Otvo Hi, Gow and 22000voltswhich one has thegreatey nesistance

Answer»

(1) P1=100 WV1 = 220 V

P = V×IP = V × (V/R)P = V^2/R

100 = (220×220)/R1R1 = 484 ohm

(2) P2 = 60 WV2= 220 V

60 = (220×220)/R2R2 = 806.6 ohm

Hence R2 is greater than R1



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