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A direct current of 2 A and an alternating current having a maximum value of 2 A flow through two identical resistances. The ratio of heat produced in the two resistances will beA. 0.042361111111111B. 0.043055555555556C. 0.084027777777778D. 0.16736111111111 |
Answer» Correct Answer - C `underset(DC)(H) / underset(DC)(H) = ( underset(DC)(i)/underset(rms)(i))^(2) (sinceH proptoi^(2) = 2/sqrt 2)^(2) = 2` |
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