Which statement about an ammeter is correct?
It measures potential difference (p.d.).
It has a scale which is marked in ohms (Ω\OmegaΩ).
It must be connected in series in a circuit.
It has an extremely high resistance.
136 exam-style questions on CIE IGCSE Physics 4.3 Electric circuits, covering 4.3.1a Circuit diagrams and circuit components, 4.3.2a Series circuits, 4.3.2b Parallel circuits, 4.3.2c Current and potential difference in circuits, 4.3.2d Combined resistance of resistors in parallel, and 4.3.3 Action and use of circuit components. Each one has a worked solution and a mark scheme showing where the marks go.