Free Printable Unit 1 CE

Free Printable Worksheets

Worksheets

Unit 1 CE

Total questions: 25

Worksheet time: 13mins

Name

Class

Date

1.

Network

a)

Device

b)

Diode

c)

Circuit

d)

Equipment

2.

Symmetrical network

a)

Electrical properties are affected

b)

Electrical properties are not affected

3.

Asymmetrical network

a)

Input and output terminal can be changed

b)

Input and output cannot be changed

4.

Equaliser

a)

Removes distortion

b)

Adds distortion

c)

Needs distortion

5.

If equaliser removes phase distortion is called

a)

Attenuator

b)

Filter

c)

Phase equaliser

6.

If equaliser removes amplitude distortion

a)

Low pass filter

b)

Symmetrical network

c)

Amplitude equaliser

7.

Attenuator

a)

Reduce input signal

b)

Increase input signal

c)

Adds input signal

8.

Following is one type of filter

a)

Symmetrical

b)

Equaliser

c)

High pass filter

9.

Low pass filter

a)

Allow high frequency

b)

Allow low frequency

c)

Allow band of frequency

10.

Filter allow high frequency is called

a)

Band pass filter

b)

High pass filter

c)

Low pass filter

11.

Antenna

a)

Electrical to radio or radio to electrical

b)

AC to DC or DC to AC

c)

Sound to electrical or electrical to sound

12.

Omni directional antenna

a)

Transmit or receive signals from all directions

b)

Transmit or receive signals from one directions

13.

Directional antenna

a)

Transmit or receive signals from all directions

b)

Transmit or receive signals from one directions

14.

Example of Omni directional antenna

a)

Walkie talkie

b)

Yagi antenna

c)

Parabolic reflector antenna

15.

Example of directional antenna

a)

Walkie talkie

b)

Yagi antenna

c)

GPS

16.

How many rods in monopole antenna

a)

1

b)

2

c)

3

17.

How many rods in dipole antenna

a)

1

b)

2

c)

3

18.

Following is one part of Yagi antenna

a)

Monopole antenna

b)

Folded dipole

c)

Array antenna

19.

The antenna which has reflector, director and folded dipole

a)

Parabolic reflector antenna

b)

Yagi antenna

c)

Dipole antenna

20.

The distance between folded dipole and reflector

a)

0.25

b)

0.13

21.

The distance between folded dipole and director

a)

0.25

b)

0.13

22.

The distance between folded dipole and director

a)

0.25

b)

0.13

23.

The antenna which has reflector and dipole only

a)

Yagi antenna

b)

Parabolic reflector antenna

c)

Monopole antenna

24.

Radiation pattern

a)

Semi log graph

b)

Graph of radiation

c)

Graph of antenna

25.

Following is the one type of propagation

a)

Water wave propagation

b)

Sky wave propagation

c)

Air wave propagation

100 %

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