A resistor is connected first to a 12 V source and found to dissipate 4.0 W of power
PHYSICS · Subjective · AP · Physics 2: Algebra-based · Electric Circuits · Electric Circuits
Problem
A resistor is connected first to a 12 V source and found to dissipate 4.0 W of power. The same resistor is then connected to a different supply and carries a current of 3.0 A. Determine the potential difference provided by the second supply.