An LED filament lamp is connected to a DC power supply.
The current flowing through the lamp is 150 mA.
A total charge of 54 C passes through the lamp.
Calculate, in minutes, the time taken for this amount of charge to flow through the filament lamp.
32 exam-style questions on Edexcel GCSE Physics 10.1 Circuits, charge and current. Each one has a worked solution and a mark scheme showing where the marks go.