A cell rated as 6 V, and with negligible internal resistance, is to be connected to four identical resistors.
a. Sketch circuit diagrams to show how the circuit should be arranged so that each resistor has a voltage of
- i 1.5 V across it.
- ii 3 V across it.
- iii 6 V across it.
b. In which of your three circuits will the cell continue to work for the longest time? Explain your answer.