What is the power rating of a heating coil with a resis-tance of 12 12 that draws a current of 20 A?

George Steel asked Nov 18, 2023

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George Steel asked Nov 18, 2023

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18 votes

According to the problem, we have the following

$\begin{gathered} R=12 \\ I=20 \end{gathered}$

We have to use Ohm's law

$V=I\cdot R$

Let's replace the given information

$V=20\cdot12=240$

James Salamon answered Nov 23, 2023

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