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mariarad [96]
3 years ago
9

The power in an electrical circuit is given by the equation p=/2 R, where /is the current flowing through the circuit and R is t

he resistance of the circuit. what is the power in a circuit that has a current of 12
A. 120 watts
B. 8.3 watts
C.144 watts
D. 14,400 watts
Physics
1 answer:
zzz [600]3 years ago
4 0

Complete Question:

What is the power in a circuit that has a current of 12 amps and a resistance of 100 ohms?

Answer:

D. 14,400 watts

Explanation:

The electrical power of an electric circuit can be defined as a measure of the rate at which energy is either produced or absorbed in the circuit.

Mathematically, electrical power is given by the formula;

Electrical \; power = current * voltage

This ultimately implies that, the quantity (current times voltage ) is electrical power and it is measured (S.I units) in Watt (W).

<u>Given the following data;</u>

  • Current = 12 Amperes
  • Resistance = 100 Ohms

To find the power in the circuit, we would use the following formula;

Power = I²R

Where;

  • I is current measured in Amperes.
  • R is resistance measured in Ohms.

Power = 12² * 100

Power = 144 * 100

<em>Power = 144,000 Watts</em>

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