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Calculate the power in the 20 ohm resistance.(a) 2000kW(b) 2kW(c) 200kW(d) 2W |
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Answer» Right choice is (b) 2kW The best I can explain: Here V = 200v and Resistance( R) = 20ohm. P=V^2/R= 200^2/20=2000W=2kW. |
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