A voltmeter has a very high resistance. A student connects a voltmeter in series with a resistor and a battery by mistake. What is the effect on the circuit?
The potential difference of the battery becomes very small
The current in the circuit becomes very much larger
The current in the circuit is not changed at all
The current in the circuit becomes very much smaller
38 exam-style questions on AQA GCSE Physics 2.2 Series and parallel circuits, covering 2.2 Series and parallel circuits. Each one has a worked solution and a mark scheme showing where the marks go.