Which change to a circuit is most likely to decrease its electrical power?
A. Decrease its current and increase its voltage.
B. Increase its current and increase its voltage.
C. Increase its current and decrease its voltage.
D. Decrease its current and decrease its voltage.

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Larus Larus · Answer 1 · 2021-11-05T11:58:44+01:00

A decrease in current and decrease in voltage is most likely to result in a decrease of its electrical power.

• In the circuit, the dissipation of the electrical power is the energy lost because of the heating of the circuit.

• The electrical power is represented by the formula, P = IV, here P is the electrical power, I is the current flowing, and V is the voltage.

• From the equation, it is clear that electrical power is directly proportional to the voltage and current flowing in the circuit.

Thus, a decrease in the current and voltage in the circuit will lead to a decrease in electrical power.

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