Home
Class 12
PHYSICS
A 300W carrier is modulated to a depth 7...

A 300W carrier is modulated to a depth 75%. The total power in the modulated wave is

A

200W

B

284W

C

320W

D

384W

Text Solution

Verified by Experts

The correct Answer is:
D
`P_(c)=300W, mu=7 5%=0.75`
`P_(t)=P_(c)(1+(mu^(2))/(2)) ` o r `P_(t)= 300(1+((0.75)^(2))/(2))= 384W `
Promotional Banner

Topper's Solved these Questions

  • COMMUNITCATION SYSTEMS

    NCERT FINGERTIPS|Exercise Amplitude Modulation|20 Videos

  • COMMUNITCATION SYSTEMS

    NCERT FINGERTIPS|Exercise Higher Order Thinking Skills|10 Videos

  • COMMUNITCATION SYSTEMS

    NCERT FINGERTIPS|Exercise Propagation Of Electromagnetic Waves|46 Videos

  • ATOMS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • CURRENT ELECTRICITY

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

A 400 W carrier wave is modulated to a depth of 75%. Calculate the total power in the modulated wave.

A 400 watt carrier is modulated to a depth of 80% . Calculate the total power in the modulated wave.

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 antenna current of an AM transmitter is 8A when only the carrier is sent but increases to 8.96A when the carrier is modulated sinusoidally . The percentage modulation is

A carrier wave is modulated by a number of sine waves with modulation indices 0.1 , 0.2 , 0.3 . The total modulation index ( m ) of the waves is

The antenna current of an AM transmitter is 10 A when only carrier is sent but increase to 10.1 A when the carrier is modulated sinusoidally. The percentage modulation is

What is the modulation index of an over modulated wave

A 10 kW carrier is sinusoidally modulated by two carriers corresponding to a modulation index of 30% and 40% respectively then total power radiated by the modulator is

A carrier wave is modulated by n number of sine waves with modulation indices mu_(1),mu_(2),mu_(3)+ .... The total modulation index (mu) of the wave is