Physics

Physics

Problem

A resistor carries a steady current of 10 A10\,\text{A} and converts 90 kJ90\,\text{kJ} of electrical energy into heat in 5 min5\,\text{min}. Determine the resistance of the resistor and the potential difference across it. a) 6 Ω,  60 V6\,\Omega,\; 60\,\text{V} b) 3 Ω,  30 V3\,\Omega,\; 30\,\text{V} c) 30 Ω,  300 V30\,\Omega,\; 300\,\text{V} d) 1.5 Ω,  15 V1.5\,\Omega,\; 15\,\text{V}

Browse the problem library