CBSE BOARD XII, asked by Ajaya9nkumsprocksit, 1 year ago

A heating element is marked 210 V, 630 W. Find the resistance of the element when connected to a 210 V dc source.

Answers

Answered by rishilaugh

3

Ans. V=210V

P=630W

R= V^2/P = (210*210)/630 = 70 ohm

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