Electronics Paper 2, Nov/Dec. 2014

Questions:	1	2	3	4	5	6	7	Main

General Comments
Weakness/Remedies
Strength

Question 2

State three parameters that determine the performance of a power supply.

(b) List three sources of power supply for electronic circuits.
(c) Draw a Zener diode stabilizing circuit.

          The expected answers were:
(a)    Three parameters that determine the performance of a power supply
(i)   Voltage regulation factor
             (ii) Ripple factor
             (iii) Efficiency
            (b)     Any three sources of power supply for electronic circuits
                        (i) Dry cells
                        (ii) Solar cells
                        (iii)Accumulator
                        (iv)Power packs

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OBSERVATION

The question was on Power Supply. The question was very unpopular with the candidates. The performance was below average.