A resistance heater is rated at 1200 W when operating at 110 V dc. What current will it draw?
A) 0.090 A
B) 11 A
C) 1.0 A
D) 12 A

Name: A resistance heater is rated at 1200 W when operating at 110 V dc. What current will it draw? A) 0.090 A B) 11 A C) 1.0 A D) 12 A
Brand: Quizplus
Rating: 5.0 (36 reviews)

Question

Quizplus · Accepted Answer

The power (P) is given by the formula P = V * I, where V is the voltage and I is the current. Rearranging for I gives I = P / V. Substituting the given values, I = 1200 W / 110 V = 10.909 A, which rounds to approximately 11 A.

A Resistance Heater Is Rated at 1200 W When Operating