Answer to Question #310847 in Electric Circuits for JoeTingz

Question #310847

A 240 V two-bar electrical eadiator is rated 1 KW per bar. Calculate the resistance in the radiator circuit when one bar is switched on.


1
Expert's answer
2022-03-13T18:46:16-0400

Solution.

V=240V;V=240V;

P=1000W;P=1000W;

R?;R-?;

P=V2R    R=V2P;P=\dfrac{V^2}{R}\implies R=\dfrac{V^2}{P};

R=24021000=57.6Ω;R=\dfrac{240^2}{1000}=57.6\Omega;

Answer: R=57.6Ω.R=57.6\Omega.



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