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प्रश्न
Show graphically an audio signal, a carrier wave and an amplitude modulated wave
उत्तर १
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उत्तर २
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संबंधित प्रश्न
The power radiated by linear antenna of length T is proportional to........................
(λ= wavelength)
- `lambda/ l`
- `[lambda/l]^2`
- `l/lambda`
- `[l/lambda]^2`
The process of regaining of information from carrier wave at the receiver is called .................
(a) modulation
(b) transmission
(c) propagation
(d) demodulation
Why is base band signal not transmitted directly? Give any two reasons
Give three reasons why modulation of a message signal is necessary for long-distance transmission
How many code combination are there in a 8 bit byte?
What is medication index of an FM wave?
