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Electronics and Communication Measurement And Instrumentation Difficulty: Medium

The form factor in AC is the ratio of

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In radio receiver the output from local oscillator is fed to A carrier wave is phase modulated with frequency deviation of 20 kHz by a single tone frequency of 2 kHz. If the single tone frequency is increased to 2 kHz, assuming that phase deviation remains unchanged, bandwidth of the PM signal is Boosting of higher frequency at the transmitter is done by using The resolution of an-n-bit D/A converter with a maximum input of 5 V is 5 mV. The value of 'n' is An electromagnetic wave having frequency f 0 gets attenuated by a factor of e -2 after propagating a distance d in a good conductor. If the signal frequency is now reduced to 0.5 f 0 , after travelling the same distance d in the same conductor, the signal will get attenuated by a factor of: