A circuit contains a fixed resistor. The potential difference across the resistor is 12.0 V and the current in the resistor is 1.80 A.
How much energy is transferred in the resistor in a time of 14.0 minutes14.0\text{ minutes}14.0 minutes?
302 J302\text{ J}302 J
1.81 kJ1.81\text{ kJ}1.81 kJ
18.1 kJ18.1\text{ kJ}18.1 kJ
181 kJ181\text{ kJ}181 kJ
452 exam-style questions on CIE IGCSE Physics 4.2 Electrical quantities, covering 4.2.1a Positive and negative charge, 4.2.1b Charging by friction and detecting charge, 4.2.1c Electrical conductors and insulators, 4.2.1d Electric fields and electric field patterns, 4.2.2a Electric current, charge and measuring current, 4.2.2b Conduction in metals and the direction of current, 4.2.2c Direct current and alternating current, 4.2.3a Electromotive force, 4.2.3b Potential difference and voltmeters, 4.2.4a Resistance, 4.2.4b Resistance of a metallic wire, 4.2.4c Current–voltage graphs, and 4.2.5 Electrical energy and electrical power. Each one has a worked solution and a mark scheme showing where the marks go.