The power rating of a resistor is 0.800 W. If the value of the resistor is 400 Ω, what is the maximum voltage?
A) 110 V
B) 17.9 V
C) 170 V
D) 1.80 V

Name: The power rating of a resistor is 0.800 W. If the value of the resistor is 400 Ω, what is the maximum voltage? A) 110 V B) 17.9 V C) 170 V D) 1.80 V
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Question

Quizplus · Accepted Answer

The maximum voltage can be calculated using the formula P = V^2 / R. Rearranging gives V = sqrt(P * R). Substituting the given values, V = sqrt(0.800 W * 400 Ω) = 17.9 V.

The Power Rating of a Resistor Is 0