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Worksheets

DBM30043EX1/1

Total questions: 16

Worksheet time: 16mins

Name
Class
Date
1.

The block diagram of Linear DC Power Supply with CORRECT stage

a)

Transformer, Regulator, Filter, Rectifier, Voltage Divider

b)

Transformer, Rectifier, Filter, Regulator, Voltage Divider

c)

Transformer, Filter, Rectifier, Regulator, Voltage Divider

d)

Transformer, Rectifier, Regulator, Filter, Voltage Divider

2.

A _________________ is constructed by two coils of wire (windings) electromagnetically coupled to each other

a)

Transformer

b)

Rectifier

c)

Filter

d)

Regulator

3.

The function of rectifier is

a)

To increase or decrease the AC voltage in a circuit

b)

Converting the AC voltage into pulse DC voltage

c)

Smooth out the ripple contained in the pulses of pulse DC voltage

d)

Maintain a constant DC voltage output across a load

4.

There are types of Rectifier EXCEPT

a)

Halfwave rectifier

b)

Fullwave rectifier

c)

Bridge rectifer

d)

Wein bridge rectifier

5.

The number of diodes used to build a bridge rectifier

a)

1

b)

2

c)

3

d)

4

6.

The output of filter known as __________

a)

AC voltage

b)

Pulse DC voltage

c)

Ripple voltage

d)

DC voltage

7.

The filter circuit consist of _______ types

a)

1

b)

2

c)

3

d)

4

8.

The main function of Regulator

a)

Maintain a constant DC voltage output across a load

b)

To smooth out the ripple contained in the pulses of DC voltage

c)

Converting the AC voltage into pulse DC voltage

d)

To increase or decrease the AC voltage in a circuit

9.

There are types of Regulator EXCEPT

a)

Diode

b)

Zener diode

c)

Serial transistor

d)

IC regulator

10.

Which one are types of voltage divider

a)

Photo resistor

b)

Varistor resistor

c)

Variable resistor

d)

Thermistor

11.

Name the circuit shown

a)

Full-wave Bridge Rectifier

b)

Center Tap Full-wave Rectifier

c)

Shunt-wave Rectifier

d)

Half-wave Rectifier

12.

Identify the component shown

a)

Inductor

b)

Resistor

c)

Capacitor

d)

Transistor

13.

Identify the component shown

a)

resistor

b)

capacitor

c)

transistor

d)

inductor

14.

Which type of rectifier circuit have an output shown

a)

Half-wave

b)

Center tap Full-wave

c)

Bridge Full-wave

d)

Shunt-wave

15.

A _____________ regulator works by providing a path from the supply voltage to ground through variable resistance.

a)

Shunt

b)

Parallel

c)

Series

d)

Bridge

16.

The output of a rectifier circuit is...

a)

AC

b)

DC

c)

Pulsating AC

d)

Pulsating DC