Identify the mathematical expression for amplitude modulated wave:A. `A_( c) sin [{ omega_(c ) + k_(1) v_(m) (t)} t + phi ]`B. `A_(c ) sin { omega_( c ) t + phi + k_(2) v_(m) (t)}`C. `{ A_(c ) + k_(2) v_(m) (t) } sin (omega_(c ) t + phi )`D. `A_(c ) v_(m) (t) sin [ omega_( c) t + phi]`

Identify the mathematical expression for amplitude modulated wave:A. `

1.	Identify the mathematical expression for amplitude modulated wave:A. `A_( c) sin [{ omega_(c ) + k_(1) v_(m) (t)} t + phi ]`B. `A_(c ) sin { omega_( c ) t + phi + k_(2) v_(m) (t)}`C. `{ A_(c ) + k_(2) v_(m) (t) } sin (omega_(c ) t + phi )`D. `A_(c ) v_(m) (t) sin [ omega_( c) t + phi]`
Answer» Correct Answer - C

Discussion

No Comment Found

Related InterviewSolutions

How do you express amplitude, frequency and phase modulation?
What is the carrier wave? Why high frequency carrier waves are employed for transmission?A. stationary waveB. carrier waveC. modulated waveD. audio wave
The ratio of peak value of modulated signal to peak value of carrier signal isA. refractive indexB. modulation indexC. demodulation indexD. none of these
Frequency modulation and phase modulation together is referred asA. amplitude modulationB. angle modulationC. power modulationD. wave modulation
The process of superimposing signal frequency (i.e. audio wave) on the carrier wave is known asA. modulationB. demodulationC. amplificationD. rectification
To avoid distortion in the signal, modulation index should beA. less than 1B. greater than 1C. equal to 1D. less than or equal to 1
The process in which phase of carrier wave changes in accordance with instantaneous value of modulated signal isA. amplitude modulationB. frequency modulationC. phase modulationD. power modulation
The process by which some characteristics i.e. amplitude, phase or frequency of hight frequency carrier wave is varied with information signal isA. demodulationB. modulationC. amplificationD. oscillation
The process in which frequencies of carrier wave changes in accordance with instantaneous value of modulated signal isA. amplitude modulationB. frequency modulationC. phase modulationD. power modulation
In amplitude modulation, the bandwidth isA. equal to frequency of modulated signalB. double the frequency of modulated signalC. half of frequency of modulated signalD. none of these

Identify the mathematical expression for amplitude modulated wave:A. `A_( c) sin [{ omega_(c ) + k_(1) v_(m) (t)} t + phi ]`B. `A_(c ) sin { omega_( c ) t + phi + k_(2) v_(m) (t)}`C. `{ A_(c ) + k_(2) v_(m) (t) } sin (omega_(c ) t + phi )`D. `A_(c ) v_(m) (t) sin [ omega_( c) t + phi]`

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment