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Answer on Electric Circuits Question for rob

Question #68833
The power in an electrical circuit is given by the equation P = I2R, where I is the current flowing through the circuit and R is the resistance of the circuit. What is the current in a circuit that has a resistance of 100 ohms and a power of 15 watts?

Expert's answer
P=I2R, Then:
15W = I * I * 100ohm => I * I = 0.15 => I = 0.387 A

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