(i) field effect transistor;
(ii) triac.
- State two applications each of the devices in (5)(a).
The expected answers were:
(a) (i) Symbol of FET
(ii) Symbol of Triac
(b) Application of FET
(i) Amplifiers
(ii) Logic circuits
(iii) Voltage variable resistors
(iv) Computer memories
Application of TRIAC
(i) Power control
(ii) High power lamp switch
(iii) Electronic change-over of transformer taps
(iv) Lamp dimmer
(v) Motor speed control
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