Communication Systems Test

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Communication Systems Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

Polarization of electromagnetic wave is caused by

A
reflection

B
refraction

C
transverse nature of e.m.waves

D
Longitudinal nature of e.m.waves
Question 2
1 / -0

Which of the following is not transducer ?

A
Loudspeaker

B
Amplifier

C
Microphonc

D
All of these
Question 3
1 / -0

The maximum range of ground or surface wave propagation depends on

A
the frequency of the radiowaves only

B
power of the transmitter only

C
both of them

D
none of them
Question 4
1 / -0

Refractive index of ionosphere is

A
zero

B
more than one

C
less than one

D
one
Question 5
1 / -0

sound produced by a tuning fork is a sort of

A
digital signal

B
analog signal

C
both (a) and (b)

D
neither (a) nor (b)
Question 6
1 / -0

The wavelenght of electromagnetic waves employed for space communication lie in the range of

A
1 mm to 30 m

B
1 mm to 300 m

C
1 mm to 3 m

D
1 mm to 30 km
Question 7
1 / -0

In co - axial cable the material used as spacer is

A
teflon or polycthylene

B
glass or mica

C
a gaseous medium

D
glass
Question 8
1 / -0

LANDSAT series of satellite move in near polar orbits at an altitude of

A
3600 km

B
3000 km

C
918 km

D
512 km
Question 9
1 / -0

The power in a two - wire transmission line travels

A
inside the conductors

B
outside the conductors

C
none of the above

D
both inside and outside the conductors .

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Re-Attempt Weekly Quiz Competition

Communication Systems Test - 2

Result

Communication Systems Test - 2

Score

-

Rank

-

SHARING IS CARING

Question 1

reflection

refraction

transverse nature of e.m.waves

Longitudinal nature of e.m.waves

Question 2

Loudspeaker

Amplifier

Microphonc

All of these

Question 3

the frequency of the radiowaves only

power of the transmitter only

both of them

none of them

Question 4

zero

more than one

less than one

one

Question 5

digital signal

analog signal

both (a) and (b)

neither (a) nor (b)

Question 6

1 mm to 30 m

1 mm to 300 m

1 mm to 3 m

1 mm to 30 km

Question 7

teflon or polycthylene

glass or mica

​​​​​a gaseous medium

glass

Question 8

3600 km

3000 km

918 km

512 km

Question 9

inside the conductors

outside the conductors

none of the above

both inside and outside the conductors .

User

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a gaseous medium