If current is 9 A and applied voltage is 27 V, what is the power?

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Study for the DC Theory Exam. Utilize flashcards and multiple choice questions; each question comes with explanations. Get ready for your test!

Multiple Choice

If current is 9 A and applied voltage is 27 V, what is the power?

Explanation:
Power in a DC circuit is the rate of energy transfer, found by multiplying the voltage by the current (P = VI). With 27 volts and 9 amperes, the power is 27 × 9 = 243 watts. The other options don’t match this product, so they don’t satisfy P = VI for the given values.

Power in a DC circuit is the rate of energy transfer, found by multiplying the voltage by the current (P = VI). With 27 volts and 9 amperes, the power is 27 × 9 = 243 watts. The other options don’t match this product, so they don’t satisfy P = VI for the given values.

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