gce 2022 intermediate level electricity and electronic technology 2

gce 2022 intermediate level electricity and electronic technology 2

gce 2022 intermediate level electricity and electronic technology 2

SECTION A: ELECTRICAL/ELECTRONIC TECHNOLOGY
Answer any THREE questions from this section.
1. AUTOMOBILE BATTERY
a) Give the composition of electrolyte used in batteries.
b) On a battery, the following indication is given: l 2v/40Ah /200A.
Give the meaning of 12V, 200A and 40Ah
c) Make a simple sketch to show how THREE batteries can be connected in parallel.
d) Define battery sulphation.
c) State THREE causes of sulphation.

2) THE HORN CIRCUIT
Figure 1 below is a horn circuit.
Direct control Relay control

a) Give the name and the function of the numbered parts 2, 3, 4 and 5.
b) Explain how part 4 operates.
c) Name TWO types of horns.
(1.5×4 marks)

3) STARTING SYSTEM
Figure 2:
a) What is the role of a starter motor in a motor vehicle?
b) In your answer booklet, copy and fill the table below in relation to figure 2.
(2 marks)
(6 marks)