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| 1. |
Which has the greater resistance 100w-220v and 60w-220v.explain |
| Answer» P1=100 WV1 = 220 VP = VIP = V (V/R)P = V2/R100 = (220×220)/R1R1 = 484 ohmNow, P2 = 60 WV2= 220 V60 = (220×220)/R2R2 = 806.6 ohmHence R2 is greater than R1 | |