3. An electric heater has resistance of 40,2 and draws, a current of 4A. Find power consumed and
potential difference at it ends?
6.
Write the postulates of huren
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Explanation:
(i) Power P = I2R, R = 40Ω I = 4A P = 4 x 4 x 40 = 640W (ii) P.d. at its ends V = p/I = 640/4 = 160VRead more on Sarthaks.com - https://www.sarthaks.com/270727/an-electric-heater-has-a-resistance-of-40-and-draws-a-current-of-4a-calculate?show=270736#a270736
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