Home
Class 12
PHYSICS
The power of a AM transmitter is 100 W. ...

The power of a AM transmitter is 100 W. If the modulation index is 0.5 and the transmission is having signal side band, the percentage of useful power is

A

1.1 W

B

11 W

C

2.2 W

D

22 W

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    AAKASH SERIES|Exercise PRACTICE EXERCISE (TV Antenna)|16 Videos

  • COMMUNICATION SYSTEMS

    AAKASH SERIES|Exercise EXERCISE-I (ASSERTION & REASON)|8 Videos

  • COMMUNICATION SYSTEM

    AAKASH SERIES|Exercise LECTURE SHEET (LEVEL - I) (MAIN) (EXERCISE - IV) (Straight Objective & More than one Correct Answer Type Questions)|20 Videos

  • CURRENT ELECTRICITY

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|27 Videos

Similar Questions

Explore conceptually related problems

The modulation index is 0.75. Then the useful power available in the side bands nearly

The total power content of an AM signal is 3000 w. For 100% modulation, the power of CW and that of each side band are,

In an amplitude modulation with modulation index 0.5 the ratio of the carrier wave to that of side band in the modulated wave is

The total power content of an AM wave is 2.64 KW at a modulation factor of 80% . The power content of each side band is

If modulation index is 1//2 and power of carrier wave is 2W. Then what will be the total power in modulated wave ?

If the percentage of modulation is 50% then the useful power in the AM wave is

A transistor is used as an amplifier in CB mode with a load resistance of 5 k Omega the current gain of amplifier is 0.98 and the input resistance is 70 Omega , the voltage gain and power gain respectively are

What is the modulation index of an FM signal having a carrier swing of 100kHz when the modulating signal has a frequency of 8kHz?

(a) What is amplitude modulation? Draw a diagram showing an amplitude modulated wave obtained by modulation of a carrier sinusoidal wave on a modulating signal. (b) Define the terms (i) modulation index, and (ii) side bands. Mention the significance of side bands.