Answer to Question #165412 in Electric Circuits for Jackson zulu

Question

An electric hot plate has a power rating of 150w and a current draw of 10A,what is the resistance of the hot plate

Answer 1

From the definition of the power, we have:

$$P=I^2R,$$ $$R=\dfrac{P}{I^2}=\dfrac{150\ W}{(10\ A)^2}=1.5\ \Omega.$$