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Assessment-3(15.07.2020)

Total questions: 9

Worksheet time: 9mins

Name
Class
Date
1.

Sender and receiver are able to communicate with each other. Both of them are in ____________

a)

Interference range

b)

Detection range

c)

Transmission range

2.

The received power of the signal is high such that it can be detected but communication is not possible due to high error rate. The signal is in ____________

a)

Interference range

b)

Transmission range

c)

Detection range

3.

Find the correct relationship:

Et – Error rate in transmission range

Ed – Error rate in detection range

Ei – Error rate in interference range

a)

Et > Ed > Ei

b)

Et < Ed < Ei

c)

Ei > Ed > Et

d)

Ed < Ei > Et

4.

Find the correct relation w.r.t received power of the signals

Pt – received power in transmission range

Pd – received power in detection range

Pi – received power in interference range

a)

Pi > Pd > Pt

b)

Pt > Pd > Pi

c)

Pd > Pi > Pt

d)

Pi < Pd < Pt

e)

Pd < Pi > Pt

5.

Inverse square law for free space loss is ____________

a)

Pr α (1/d)

b)

Pr α (d2)

c)

Pr α (1/d)

d)

Pr α (1/d2)

6.

The FM and Television broadcasting is done using_______

a)

Ground wave propagation

b)

Sky wave propagation

c)

Line of Sight

d)

None of the above

7.

The effect of delay spread is _____________

a)

Congestion

b)

Inter Symbol Interference

c)

Intra Symbol Interference

d)

Multi-path propagation

8.

The multi-path propagation in fixed radio transmission can cause

a)

Delay spread

b)

Inter Symbol Interference

c)

Short term fading

d)

Long term fading

9.

The multi-path propagation in mobile radio transmission can cause

a)

Delay spread

b)

Inter Symbol Interference

c)

Short term fading

d)

Long term fading