Which equation can be used to calculate the electrical charge Q Q\,Q passing through a circuit component in a given time t t\,t at a constant current III?
Q=I×tQ = I \times tQ=I×t
I=Q×tI = Q \times tI=Q×t
t=Q×It = Q \times It=Q×I
Q=I÷tQ = I \div tQ=I÷t
51 exam-style questions on CIE IGCSE Physics 4.2.2a Electric current, charge and measuring current. Each one has a worked solution and a mark scheme showing where the marks go.