There is a current of 0.45 A in a closed circuit.
How much charge passes a point in the circuit in 4.0 min?
1.8 C1.8\text{ C}1.8 C
108 C108\text{ C}108 C
240 C240\text{ C}240 C
6480 C6480\text{ C}6480 C
145 exam-style questions on CIE IGCSE Physics 4.2.1a Positive and negative charge. Each one has a worked solution and a mark scheme showing where the marks go.