MCQs – Electronic Devices and circuit

MCQs – Electronic Devices and circuit

1. The acceptor type of impurity is

2. The potential barrier acts as an barrier against the flow of

3. The maximum efficiency of a half -wave rectifier is

4. The pick inverse voltage in case of a bridge rectifier circuit for each diode is

5. The arrow in a transistor symbol indicates the direction of current in

6. The input resistence of a common base transistor circuit is of the order of

7. The common emitter transistor circuit has

8. The biasing that provides good stability of the operation point but fails to provide good amplification is said to be

9.Transformer coupling is used to cascade two such stages of which the first has

10. A push-pull amplifier has a maximum efficiency of