At a voltage of 4.5 V, the current in an electric lamp of 0.5 A. Determine the power of the current.

univerkov | August 17, 2021 | education

To calculate the current power in the electric lamp used, we apply the formula: P = U * I.

Variable values: U – voltage (U = 4.5 V); I is the current in the lamp (I = 0.5 A).

Let’s make a calculation: P = 4.5 * 0.5 = 2.25 W.

Answer: The current power is 2.25 W.

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