The maximum power dissipated by a 100Ω resistor in a circuit is 4W. Calculate the voltage across the resistor. by Sunday | May 22 | Physics WAEC | 0 comments A. 10V B. 20V C. 25V D. 400V Correct Answer: Option B B. 20V Explanation V²=PR=V=√4×100 = 20V Users Also Read These:An alternating current with a peak value of 5A…When an alternating current given by I = 10sin…An inductor of inductance 10 H is connected across…In a series R - C circuit, the resistance of the…The circuit below illustrates a standard resistor R,…