ELECTRONIC PRACTICE - Quiz

1) Which oscillator provides high accurate stable frequency?

Hartley oscillator Colpitts oscillator Quartz crystal oscillator R.C phase shift oscillator

2) What is the characteristic property of base material in a transistor?

Lightly doped and very thin Heavily doped and very thin Lightly doped and very larger Heavily doped and very larger

3) Which multi vibrator produces a repetitive pulse wave form output?

Astable multi vibrator Bistable multi vibrator One shot multi vibrator Monostable multi vibrator

4) What is the main application of a Field Effect Transistor (FET)?

Voltage control device Current control device Positive feedback device Low input impedance device

5) What is the main function of Uni Junction Transistor (UJT)?

Relaxation oscillator Broadcast transmitter Loud speaker amplifier Microphone input device