Suppose that a voltage surge produces 160 V for a moment in a 140-V line.What will temporarily be the output of a 100-W light bulb assuming its resistance does not change?

Question

Suppose that a voltage surge produces 160 V for a moment in a 140-V line.What will temporarily be the output of a 100-W light bulb assuming its resistance does not change?
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Quizplus · Accepted Answer

The power output of the bulb can be calculated using the formula P = V^2 / R. The resistance R can be found using the original conditions: R = (140^2) / 100. With the surge, the power is (160^2) / R, which calculates to approximately 131 W.

Suppose That a Voltage Surge Produces 160 V for a Moment