MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Phase Difference

A modulator c...

Question

A modulator carrier wave has maximum and minimum amplitude of 800mV and 200mV. The percentage modulation is

A

100%

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

60%

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

50%

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

150%

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C 60%
$m_{a} = \frac{A_{m a x} - A_{m i n}}{A_{m a x} + A_{m i n}} = \frac{800 - 200}{800 + 200} = \frac{600}{1000} = 0.6$

Suggest Corrections

thumbs-up

0

Similar questions

Q. When carrier wave of

2.5

MHz frequency is amplitude modulated, the resulting AM waves has maximum amplitude of

15

V and minimum amplitude of

10

V. The modulation index is ___________.

Q. The maximum amplitude of the modulated wave is

16 v

and minimum amplitude is

4 v

. The percentage modulation is

Q. The amplitude of carrier wave is

12 V

. For modulation index of

50

%, the amplitude of modulating signal is ______ V

Q. The amplitude of modulating wave is 2/5th of the amplitude of the carrier wave. The percentage of modulation is

Q. Define modulation index. Why is it's value kept, in practice, less than one?
A carrier wave of frequency 1.5 MHz and amplitude 50 V is modulated by a sinusoidal wave of frequency 10 kHz producing 50% amplitude modulation. Calculate the amplitude of the AM wave and frequencies of the side bands produced.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Phase Difference and Resultant Amplitude

PHYSICS

Watch in App

explore_more_icon

Explore more

Phase Difference

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon