EASY
KEAM
IMPORTANT
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In amplitude modulation of audio frequency 700Hz, the appropriate carrier frequency to be used is

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Important Questions on Communication Systems

EASY
KEAM
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 36 - Communication Systems>KEAM 2019>Q 4
For signal transmission, modulation is necessary
MEDIUM
KEAM
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 36 - Communication Systems>KEAM 2019>Q 5
In the amplitude modulation mode of transmission, the normal speed signal is with a maximum frequency of 5 kHz. If the carrier frequency is 200 kHz, the modulated signal will have the frequencies varying between