cameroon gce A level 2026 electrical and electronic systems 1

Automotive Electrical Components & Electronics Practice Questions

Test your knowledge on semiconductor theory, ignition systems, battery characteristics, and starting circuits with these 14 multiple-choice questions.

📷 Note: You can view the original page layout and tool diagrams in image_5e59a4.jpg.

Question 1

Forward conventional current for a PNP transistor flows from:

• A. base to ground.

• B. base to emitter.

• C. emitter to base.

• D. collector to base.

Question 2

The force of current is measured in:

• A. Newton.

• B. Ampere hour.

• C. Ampere.

• D. Volts.

Question 3

Self-induction is a phenomenon which occurs in the:

• A. primary winding of ignition coil.

• B. secondary winding of ignition coil.

• C. alternator.

• D. battery.

Question 4

Mutual-induction is a phenomenon which occurs in the:

• A. primary winding of ignition coil.

• B. secondary winding of ignition coil.

• C. alternator.

• D. battery.

Question 5

Plates of a discharged battery are:

• A. two similar metals in presence of an electrolyte.

• B. two similar metals in the presence of water.

• C. two dissimilar metal in the presence of electrolyte.

• D. two dissimilar metal in the presence of water.

Question 6

A battery’s reserve capacity is measured in:

• A. amperes.

• B. watts.

• C. amp-Hours.

• D. minutes.

Question 7

A basic starter control circuit energizes the magnetic switch through the ignition switch and the:

• A. solenoid.

• B. neutral start switch.

• C. starter clutch.

• D. Regulator.

Question 8

Solenoid windings resistance are checked with:

• A. an ohmmeter.

• B. an ammeter.

• C. a resistance tester.

• D. a voltmeter.

Question 9

A pre-engaged starter motor pull-in winding:

• A. holds the pinion in mesh.

• B. pulls the pinion out of mesh.

• C. holds the pinion out of mesh.

• D. pulls the pinion into mesh.

Question 10

When an engine starts, the pinion gear is disconnected from the starter by the:

• A. magnetic switch.

• B. plunger.

• C. over-running clutch.

• D. switch return spring.

Question 11

Figure 1 is called a/an:

(Note: The question text reads “Figure 3” but the diagram itself is explicitly labeled Figure 1)

(Refer to Figure 1 in image_5e59a4.jpg – showing an electronic test probe tool with a cord and an alligator ground clip)

• A. scan tool.

• B. logic probe tool.

• C. analogue scope tool.

• D. computer analyser tool.

Question 12

Magnetic field is created in an alternator’s:

• A. stator.

• B. rotor.

• C. diodes.

• D. drive-end frame.

Question 13

Alternator brushes are constructed from:

• A. carbon.

• B. silver-copper alloy.

• C. copper.

• D. aluminum.

Question 14

An eroded spark plug has:

• A. dirty deposits on their tips.

• B. badly burned tips.

• C. firmly closed tips.

• D. long tips.