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Transistor Fundamentals

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the main function of a transistor in an electronic circuit?

a)

To store charge

b)

To amplify or switch electronic signals

c)

To convert AC to DC

d)

To provide insulation between circuits

2.

Which of the following is NOT a type of transistor?

a)

Bipolar Junction Transistor (BJT)

b)

Field-Effect Transistor (FET)

c)

Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET)

d)

Inductive-Coupled Transistor (ICT)

3.

In a Bipolar Junction Transistor (BJT), what are the three regions called?

a)

Source, Drain, Gate

b)

Emitter, Base, Collector

c)

Anode, Cathode, Gate

d)

Input, Output, Control

4.

What is the main difference between an NPN and a PNP transistor?

a)

The direction of current flow

b)

The material they are made from

c)

The voltage they can handle

d)

The frequency of operation

5.

Which material is commonly used to manufacture transistors?

a)

Copper

b)

Silicon

c)

Gold

d)

Graphene

6.

What is the threshold voltage in a Field-Effect Transistor (FET)?

a)

The voltage at which the transistor turns off

b)

The voltage at which the transistor turns on

c)

The maximum voltage the transistor can handle

d)

The voltage across the gate and source at equilibrium

7.

How does temperature affect a transistor's operation?

a)

Increases current flow

b)

Decreases current flow

c)

No effect on current flow

d)

Can either increase or decrease current flow depending on the transistor type

8.

What is the function of the base in a Bipolar Junction Transistor (BJT)?

a)

To regulate voltage

b)

To regulate current

c)

To dissipate heat

d)

To provide a path for the majority charge carriers

9.

Which mode of operation is not applicable to a Bipolar Junction Transistor (BJT)?

a)

Saturation

b)

Cut-off

c)

Active

d)

Transparent

10.

What is the typical signal gain range for a common emitter BJT amplifier?

a)

1 to 10

b)

20 to 200

c)

100 to 1000

d)

1000 to 10000