1. What is the primary function of a transistor?

a) Amplification

b) Oscillation

c) Rectification

d) Switching

2. Which type of transistor is commonly used in amplifiers?

a) PNP

b) NPN

c) JFET

d) MOSFET

3. What is the name of the material used to create the base-collector junction in a PNP transistor?

a) P-type semiconductor

b) N-type semiconductor

c) P-type insulator

d) N-type insulator

4. What is the role of the base terminal in a bipolar junction transistor?

a) To control the flow of current through the collector

b) To provide voltage to the emitter

c) To act as a resistor

d) To provide a connection to the base-emitter junction

5. What is the primary difference between a JFET and a MOSFET?

a) The type of material used for the gate

b) The type of connection between the gate and the channel

c) The type of current flowing through the device

d) The type of voltage applied to the gate

6. What is the current flow through the base of a NPN transistor called?

a) Collector current

b) Emitter current

c) Base current

d) Gate current

7. What is the primary function of the emitter terminal in a bipolar junction transistor?

a) To control the flow of current through the collector

b) To provide voltage to the base

c) To act as a resistor

d) To provide a connection to the base-collector junction

8. What is the primary advantage of using a MOSFET over a JFET?

a) Higher voltage handling capability

b) Lower input impedance

c) Higher frequency response

d) Lower power consumption

9. What type of current flows through the collector terminal of a NPN transistor?

a) Electrons

b) Holes

c) Both electrons and holes

d) None of the above

10. What is the primary difference between a PNP and a NPN transistor?

a) The type of material used for the base-emitter junction

b) The type of current flowing through the device

c) The direction of current flow through the collector

d) The type of voltage applied to the base

Answers:

1. a
2. b
3. a
4. a
5. b
6. c
7. d
8. a
9. a
10. c