Communication System-Bandwidth of Transmission Medium (NEET Physics): Questions 1 - 4 of 4

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Question number: 1

» Communication System » Bandwidth of Transmission Medium

MCQ▾

Question

Consider the following statements regarding the experiment to determine the surface tension of water by capillary rise method. Choose the correct statements.

  1. Capillary tube should be clean and liquid should be free from dirt and grease.
  2. Distilled water should be avoided.
  3. Distilled water should be added.
  4. Dirty liquid should be used.

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1, 2 and 3 are correct

b.

1 and 2 are correct

c.

2 and 4 are correct

d.

1 and 3 are correct

Question number: 2

» Communication System » Bandwidth of Transmission Medium

MCQ▾

Question

Audio signal cannot be transmitted because

Choices

Choice (4) Response

a.

The signal cannot be amplified for distance communication

b.

The signal has more noise

c.

The transmitting antenna length is very large and impracticable

d.

The transmitting antenna length is very small to design

Question number: 3

» Communication System » Bandwidth of Transmission Medium

MCQ▾

Question

In a communication system, noise is most likely to affect the signal

Choices

Choice (4) Response

a.

In the information source I

b.

At the transmitter

c.

In the channel or in the transmission line

d.

None of the above

Question number: 4

» Communication System » Bandwidth of Transmission Medium

MCQ▾

Question

The characteristic impedance of a coaxial cable is of the order of,

Choices

Choice (4) Response

a.

50Ω

b.

200Ω

c.

270Ω

d.

Question does not provide sufficient data or is vague

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