cameroon gce intermediate level electricity of refrigeration 2

cameroon gce intermediate level electricity of refrigeration 2

cameroon gce intermediate level electricity of refrigeration 2

1. Define the following terms
(a) Alternating current,
(b) Diode,
2. Give two applications of the Joule effect
. 1 Mark
3. How many types of cells exist? Name them. 1 Mark
4. Name two faults which may occur in a transformer. 1 Mark
5. Give two ways of connecting the windings of a three phase motor 1 Mark
6. Why do we connect capacitors in parallel in a D.C circuit 1 Mark
7. What is the function of a thermal relay? 1 Mark
8. What is the role of an end of defrost thermostat? 1 Mar

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