A student draws a circuit containing a cell and an LED.
The student labels the shorter line of the cell symbol positive and draws the two arrows beside the LED symbol pointing towards it.
Which changes correct both errors?
Label the longer line positive; point the arrows away from the LED.
Label the longer line positive; keep the arrows towards the LED.
Keep the shorter line positive; point the arrows away from the LED.
Keep the shorter line positive; keep the arrows towards the LED.
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.