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Q9) A single-phase, 230 V, 50 Hz, 3:1 step down transformer has a secondary winding resistance of 1 Ω and supplies a half-wave rectifier circuit. The rectifier circuit has a resistive load of 680 Ω and the diode has a forward resistance of 14 Ω.

(a) Sketch clearly labelled diagram for EACH of the following:

(i) a circuit diagram;(3)

(ii) the load voltage waveform indicating maximum and average voltage levels. (3)

(b) Calculate EACH of the following load values:

(i) the maximum current; (5)

(ii) the average current; (3)

(iii) the average voltage. (2)