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An audio signal of amplitude one half th...

An audio signal of amplitude one half the carrier amplitude is used in amplitude modulation.Calculate the modulation index?

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To calculate the modulation index for the given audio signal in amplitude modulation, follow these steps: ### Step 1: Define the Amplitudes Let: - \( E_c \) = Amplitude of the carrier wave - \( E_m \) = Amplitude of the audio signal According to the problem, the amplitude of the audio signal is half the amplitude of the carrier wave: ...
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FIITJEE-SEMICONDUCTOR AND DEVICE-SOLVED PROBLEMS Objective: Level-I
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  2. The velocity of electromagnetic waves in a dielectric medium (in(r)=4)...

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  3. For television broadcasting, the frequency employed is normally

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  4. An 'antenna' is:

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  5. The characteristic impedance of a coaxial cable is of the order of

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  6. Long distance short-wave radio broadcasting uses

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  7. Propogation constant of a transmission line is :

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  8. The T.V. transmission tower in Delhi has a height of 240 m. The distan...

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  9. The number of telephone conversations by a fibre of band width 40MHz, ...

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  10. Distance of propogation from antenna of height 20m is

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  11. If critical frquency for ionosphere is 30MHz.Calculate the maximum fre...

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  12. The velocity of electromagnetic waves in a dieclectric medium (epsilo...

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  13. For television broadcasting, the frequency employed is normally.

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  14. An antenna is :

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  15. The characteristic impedance of a co-axial cableis of the order of:

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  16. Long distance short - wave radio frequency broadcasting uses:

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  17. Propogation constant of a transmission line is :

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  18. The T.V.Transmission tower in Delhi has a height of 240m. The distnace...

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  19. The number of telephone conversations by a fibre of band width 40MHz, ...

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  20. Distance of propogation from antenna of height 20m is

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  21. If critical frquency for ionosphere is 30MHz.Calculate the maximum fre...

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