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.
69 exam-style questions on CIE IGCSE Physics 4.2.5 Electrical energy and electrical power. Each one has a worked solution and a mark scheme showing where the marks go.