COMMUNICATION SYSTEM - Topic Wise Multiple Choice Questions (MCQ)
Topic Wise free Communication System MCQ for 11th 12th exam Practice Multiple Choice Questions and answer for JEE-mains State CET Engineering Entrance GATE free Online Test
1 )
Type of communication Possible by Modem duplex is ______
Half duplex
Simplex
Double Duplex
Full duplex ✔
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2 )
To transmit 1KHz frequency signal, wave length of the signal should be _______ m.
3 × 10^3
3 × 10^5 ✔
3 × 10^7
3 × 10^9
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3 )
What should be the minimum length of the antenna capable of emitting audio signal of wave length λ?
(λ)
(λ/2)
(λ/4) ✔
(λ/6)
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4 )
_______ is used as a medium in space communication
Two wire line
Space ✔
Amplifier
Optical fibre
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5 )
The band width of Audio signal is
20 HZ
20 KHZ ✔
20 MHZ
20 GHZ
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