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Worksheets

AEE70- Module 9&10

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

What type of electrical circuit is used in the

box X to produce the output waveform?

a)

Full-wave rectifier

b)

Half-wave rectifier

c)

Amplifier

d)

Summing circuit

e)

Positive feedback

2.

What is the state of the diode shown

below?

a)

Not biased

b)

Reverse biased

c)

Forward biased

d)

Diagonally biased

e)

Insufficient information to answer

3.

Which of the below terminals represents

the Negative terminal of a diode?

a)

Anode

b)

Collector

c)

Emitter

d)

Cathode

e)

Base

4.

For the electrical circuit below, what is the

total voltage across the Zener diode?

a)

1 V

b)

2 V

c)

3 V

d)

5 V

e)

8 V

5.

Which of the below terminals represents the positive terminal of a diode?

a)

Anode

b)

Cathode

c)

Emitter

d)

Collector

e)

Base

6.

For the electrical circuit below, what is the

total voltage across the Zener diode?

a)

1 V

b)

2 V

c)

3 V

d)

5 V

e)

8 V

7.

Which of the following is the average

output value for a silicon based full-wave

rectifier if an AC signal with peak voltage

of 10V is applied to its input?

a)

3.18V

b)

4.65V

c)

5.46V

d)

5.1V

e)

6.12V

8.

What type of transistor configuration is used in the below electrical circuit

a)

Common emitter circuit of NPN transistor

b)

Common emitter circuit of PNP transistor

c)

Common collector circuit of NPN transistor

d)

Common base circuit of PNP transistor

e)

Common base circuit of NPN transistor

9.

For the circuit shown below ,what happens when the switch is connected to the diode terminal?

a)

The Bulb glows dimly

b)

The Bulb is off

c)

The Bulb glows brightly

d)

The Bulb worn out

e)

The Bulb burns out

10.

What type of transistor configuration is used in the below electrical circuit

a)

Common Base

b)

Common Collector

c)

Common Anode

d)

Common Emitter

e)

Common Cathode

11.

The below transistor circuit has the following parameters: hFE=250 and IC =3 mA. What is the base current ?

a)

0.023 A

b)

0.045 A

c)

0.756 A

d)

0.012 A

e)

0.089 A

12.

Which type of diode is shown in the figures below?

a)

Zener Diode

b)

Transistor

c)

Rectifier Diode

d)

LED

e)

Power Diode

13.

referring to the below image, what is the value of the average output voltage?

a)

2 V

b)

2.7 V

c)

3.6 V

d)

5 V

e)

1.59 V

14.

the output voltage for the given circuit with D1 and D2 are germanium diodes where D3 is silicon diode?

a)

8.7 V

b)

8.3 V

c)

9.3 V

d)

8.9 V

e)

9.7 V

15.

Referring to the full wave rectifier circuit, during the positive half cycle

a)

D2 and D3 are ON, While D1 and D 4 are Off

b)

D1 and D2 are ON, While D3 and D 4 are Off

c)

D3 and D4 are ON, While D1 and D 2 are Off

d)

D4 and D2 are ON, While D1 and D 3 are Off

e)

D3 and D1 are ON, While D2 and D 4 are Off

16.

Which of the following expressions represent the DC current gain of a bipolar junction transistor?

a)

dIc /dIb

b)

IC / VBE

c)

Ic /Ib

d)

dIc /dVBE

17.

What kind of device does the following symbol represent?

a)

pnp bipolar junction transistor

b)

npn bipolar junction transistor

c)

diode

d)

Field effect transistor

e)

Zener Diode

18.

Which terminal represents the control input of a bipoloar junction transistor?

a)

Collector

b)

Base

c)

Emitter

d)

Gate

19.

Referring to the below image, what is the part referred by the RED arrow?

a)

Rectified signal

b)

Half Signal

c)

Full Signal

d)

Ripple

e)

Current

20.

If the input voltage is 5 V, and the type of diodes are silicone. What is the value of the Vo?

a)

4.3 V

b)

3.6 V

c)

4.4 V

d)

4.7 V

e)

0.0 V