IGCSE A Level Physics MCQs - Chapter 7
Communication Systems Multiple Choice Questions (MCQs) PDF Download - 5
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Communication Systems Questions & Answers PDF Download: MCQ Quiz 5
MCQ 21: Binary system has base
- 10
- 11
- 1
- 2
MCQ 22: In FM, frequency of modulated wave varies with
- amplitude
- time
- wavelength
- energy
MCQ 23: Unwanted signal that distorts a transmitted signal is called
- analogue
- noise
- digital
- tuning
MCQ 24: First communication satellites used frequencies of
- 6 GHz for uplink
- 3 GHz for uplink
- 6 GHz for downlink
- 5 GHz for downlink
MCQ 25: A wave of frequency 1 GHz has wavelength of
- 0.4 m
- 0.5 m
- 0.2 m
- 0.3 m
IGCSE A Level Physics Mock Tests
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