An electrically powered scooter is equipped with a rechargeable battery.
When fully charged, the battery can deliver a power of 500 W500\text{ W}500 W for 45 min45\text{ min}45 min.
Calculate the energy, in joules, stored in the battery when fully charged.
State the form of energy stored by the battery.
The scooter has an electric motor with an electrical input power of 180 W180\text{ W}180 W.
Calculate the time, in minutes, for which the battery can power the scooter's motor at this input power.
Consider this electric scooter compared to a petrol-powered moped. State two environmental benefits of the electric scooter.
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.