$A$ carrier is simultaneously modulated by two sine waves with modulation indices of $0.3$ and $0.4$; then the total modulation index is

  • A
    $1$
  • B
    $0.12$
  • C
    $0.5$
  • D
    $0.7$

Explore More

Similar Questions

The digital signals are used for transmission in communication systems. They are

The minimum size of an antenna for transmitting electromagnetic waves at $1500 \text{ MHz}$ is

The process of superimposing a signal frequency (i.e.,audio wave) on a carrier wave is known as:

If a receiving station on the ground is receiving a frequency of $10 \text{ MHz}$, the mode of propagation is...

$A$ radio can tune to any station in the $6\,MHz$ to $10\,MHz$ band. The value of the corresponding wavelength bandwidth will be $....\,m$.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo