What Is the Average Power Dissipated by a 25-Ω Resistor

question 10

Multiple Choice

What is the average power dissipated by a 25-Ω resistor in an LRC series ac circuit for which the power factor is equal to 0.25 and the maximum voltage of the ac source is 8.0 V?

• A) 0.040 W
• B) 0.32 W
• C) 0.16 W
• D) 0.62 W
• E) 0.080 W

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Definitions:

Physiological Arousal

A state of heightened physiological activity, involving increased heart rate, sweating, or rapid breathing.

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An individual's performance or achievement on exams or assessments, measuring knowledge, ability, or skill in a particular area.

Yerkes-Dodson Law

A theory suggesting that there is an optimal level of arousal for the best performance of a task: too little or too much arousal can decrease performance.

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A physical state of heightened alertness and readiness to respond, involving changes such as increased heart rate, blood pressure, and sensory alertness.