MyQuestionIcon

1

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

Solar Cell

The amplitude...

Question

The amplitude of carrier wave is $12 V$ . For modulation index of $50$ %, the amplitude of modulating signal is ______ V

A

3

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

B

6

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

C

12

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

D

9

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

Open in App

Solution

The correct option is C $6$
Given:
The amplitude of the carrier wave is $12 V$ .
The modulation index of the signal is $50 %$ .

Modulation index of the signal is given by:
$μ = \frac{A_{m}}{A_{c}}$
$A_{m} = μ A_{c} = (\frac{50}{100}) \times 12$
$A_{m} = 6 v o l t$

Suggest Corrections

thumbs-up

0

Similar questions

Q. An audio signal represented as

25 sin 2 π (2000 t)

amplitude modulated by a carrier wave:

60 sin 2 π (100, 000 t)

. The modulation index of the modulated signal is

Q. A carrier wave of amplitude A is used to modulate (amplitude) the signal. Modulated signal amplitude swings from 0.1A to 1.9A, calculate modulation index

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. A modulating signal is a square wave, as shown in the figure.
The carrier wave is given by

c (t) = 2 sin (8 π t)

(i) Sketch the amplitude modulated waveform.
(ii) What is the modulation index?

Q. A sinusoidal carrier wave of amplitude

40

V is amplitude modulated by a sinusoidal signal voltage. What is the amplitude of each side band if the modulation index is

25 %

.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Opto-Electronic Devices

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon