Communication System-Need for Modulation (NEET Physics): Questions 4 - 6 of 6

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 4

» Communication System » Need for Modulation

MCQ▾

Question

Range of frequencies allotted for commercial FM radio broadcast is,

Choices

Choice (4) Response

a.

88 to 108 kHz

b.

8 to 88 MHz

c.

88 to 108 MHz

d.

88 to 108 GHz

Question number: 5

» Communication System » Need for Modulation

MCQ▾

Question

An oscillator is producing FM waves of frequency 2 kHz with a variation of 10 kHz. What is the modulating index?

Choices

Choice (4) Response

a.

1.5

b.

0.20

c.

5.0

d.

0.67

Question number: 6

» Communication System » Need for Modulation

MCQ▾

Question

The process of superimposing signal frequency (i. e. audio wave) on the carrier wave is known as,

Choices

Choice (4) Response

a.

Modulation

b.

Detection

c.

Reception

d.

Transmission

f Page
Sign In