SECTION A (a) Name two parameters expressed in Ohm’s law.
(b) Sketch a lead-acid battery and label three of its parts.
(c) What are the compositions of lead-acid battery electrolyte?
(d) State two merits of an alternator.
Observation
Although the performance here was encouraging, a high percentage of those who attempted the question could not properly sketch the battery.
The correct sketch of this is given below.
(C)
