Pierakstīties
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
Paskaidrojums
\(V^2 = PR = V = \sqrt{4} \times 100\)
= 20V
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