WAEC - Physics (2003 - No. 35) | ExamPlay

WAEC - Physics (2003 - No. 35)

The maximum power dissipated by a 100\(\Omega\) resistor in a circuit is 4W. Calculate the voltage across the resistor

10V

20V

25V

400V

Тайлбар

\(V^2 = PR = V = \sqrt{4} \times 100\)

= 20V

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