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The electrical power of a circuit can be calculated by the equation P = V × I. The table below shows the different voltages that can be supplied to the circuit. If current stays the same, which voltage
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11 votes
11 votes
The electrical power of a circuit can be calculated by the equation P = V × I. The table below shows the different voltages that can be supplied to the circuit. If current stays the same, which voltage will most likely result in the smallest electrical power?

A B C D
100V 25V 5V 30V

A
B
C
D

User Heraldo
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1 Answer

18 votes
18 votes

Answer: C. 5V

Step-by-step explanation:

Since P = VI, power is directly proportional to voltage

If current is constant, then the lower the voltage, the lower the power. The lowest voltage shown is 5 Volts.

User Seth Robertson
by
2.9k points
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