A student describes two circuit symbols.
Symbol P is a circle containing a cross. Symbol Q is a rectangle with an arrow drawn diagonally through it.
Which components do P and Q represent?
P: lamp; Q: variable resistor
P: motor; Q: variable resistor
P: lamp; Q: fixed resistor
P: motor; Q: fixed resistor
94 exam-style questions on Edexcel GCSE Physics 10.1 Circuits, charge and current, covering 10.1.1 Structure of the atom, 10.1.2 Circuit diagrams and symbols, 10.1.3 Series and parallel circuits, 10.1.4 Potential difference and voltmeters, 10.1.5 Energy transferred, charge and potential difference, and 10.1.6 Current, ammeters and charge flow. Each one has a worked solution and a mark scheme showing where the marks go.