The message signal can be 

Important Questions on Communication Systems

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise-1>Q 28

A loud speaker converts

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise-1>Q 29

Which is more advantageous? (i) analog data communication (ii) digital data communication?

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise-1>Q 30

The message signal is usually of

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise-1>Q 31

Modulation is the phenomenon of

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise-1>Q 32

The transmission media can be 

MEDIUM

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise-1>Q 33

A $1000\mathrm{kHz}$ carrier is modulated with $800 \mathrm{Hz}$ audio signals What are the frequencies of first pair of side bands

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise-1>Q 34

In an amplitude modulated wave, for audio frequency of $500 \mathrm{cps}$, the appropriate carrier frequency will be:

EASY

NEET

IMPORTANT

Alpha Question Bank for Medical: Physics>Chapter 36 - Communication Systems>Exercise-1>Q 35

In A.M., the total modulation index should not exceed one or else :