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Electronic transistor

Total questions: 15

Worksheet time: 16mins

Name
Class
Date
1.

What is the function of an electrical transistor?

a)

To slow down the flow of electrical current

b)

To ensure the current flows only in one direction

c)

To store electrical energy and supply it to the circuit when needed

d)

To amplify current or to act as a switch in a circuit

2.

Match the following

a)
1.

Resistor

b)
2.

Diode

c)
3.

Capacitor

d)
4.

Transistor

3.

Which of the following is NOT the terminal of a transistor?

a)

Anode

b)

Emitter

c)

Base

d)

Collector

4.

There are 2 types of transistor which are ___ and ___.

a)
npn
b)
pnp
c)

vcc

d)

gnd

5.

How does a transistor works as a switch?

a)

Apply a voltage at the base which is greater than the activation voltage

b)

The channel then becomes conductive

c)

Current flows from the source to the drain

d)

The transistor is turned on

1)
2)
3)
4)
6.

What is the term we used to describe adding dopant or impurities to the transistor to improve conductivity?

(a)  

7.

What is the function of an electrical capacitor?

a)

To slow down the flow of electrical current

b)

To ensure the current flows only in one direction

c)

To store electrical energy and supply it to the circuit when needed

d)

To amplify current or to act as a switch in a circuit

8.

What is the function of an electrical resistor?

a)

To slow down the flow of electrical current

b)

To ensure the current flows only in one direction

c)

To store electrical energy and supply it to the circuit when needed

d)

To amplify current or to act as a switch in a circuit

9.

What is the function of an electrical diode?

a)

To slow down the flow of electrical current

b)

To ensure the current flows only in one direction

c)

To store electrical energy and supply it to the circuit when needed

d)

To amplify current or to act as a switch in a circuit

10.

Match the following properties with their symbol

a)

Current

1.

I

b)

Voltage

2.

V

c)

Resistance

3.

R

d)

Capacitance

4.

C

11.

Match the following properties with their units

a)

Current

1.

Ampere

b)

Voltage

2.

Voltage

c)

Resistance

3.

Ohm

d)

Capacitance

4.

Farad

12.

Complete the following Ohm's law:

a = b x c

a)

a

1.

V

b)

b

2.

I

c)

c

3.

R

13.

Complete the following formula to find the capacitance

a = bca\ =\ \frac{b}{c}  

a)

a

1.

C

b)

b

2.

Q

c)

c

3.

V

14.

Match the following

a)
1.

Series circuit

b)
2.

Parallel circuit

c)
3.

Forward biased configuration

d)
4.

Reverse biased configuration

15.

Match the following

a)

Emitter

1.

Heavily doped

b)

Base

2.

Lightly doped

c)

Collector

3.

Moderately doped