Home
Class 12
PHYSICS
A wave is represented as e=10 sin (10^(8...

A wave is represented as `e=10 sin (10^(8)t+6 sin 1250t)`
then the modulating index is

A

`10`

B

`1250`

C

`10^(8)`

D

`6`

Text Solution

Verified by Experts

The correct Answer is:
d

Comparing with standard equation.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM

    A2Z|Exercise Problems Based On Mixed Concepts|39 Videos
  • ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM

    A2Z|Exercise Section B - Assertion Reasoning|13 Videos
  • ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • ELECTROMAGNETIC INDUCTION

    A2Z|Exercise Section D - Chapter End Test|30 Videos
  • GEOMETRICAL OPTICS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

A modulated signal is represented as x(1) = 6 sin 1250 t + sin 10^(8) t then the mudulating index is

The carrier wave is represented by C(t) = 5 sin (10 pi t) volt A modulating signal is a square wave as shown in figure. Determine modulation index.

The equation of an FM signal is e = 6 sin (10^(6) t + 4 sin 10^(3) t ) . Then, the modulating frequency is

An amplitude modulated wave is represented by C_m = 10(1+ 0.2 sin 12560 t ) sin (1.11 x 10^4 t) V . The modulating frequency in KHz will be

A tavelling harmonic wave is represented by the equation y(x,t)=10^(-3) sin (50t+2x), where x and Y are in meter and t is in seconds . Which of the following is a correct statement about the wave?

A modulating signal is a square wave as shown in the following figure . While the carries wave is given by e=4 sin (8 pi t) volt . What is the modulation index ?

A modulating signal is a square wave as shown in the following figure. While the carrier wave is given by, e = 4 sin (87 pi t) volt. What is the modulation index ?

The equation of a wave is represented by y= 10^(-4) sin[ 100 t -(x)/(10)] . The velocity of the wave will be

A wave is represented by the equation y=0.5 sin (10 t-x)m . It is a travelling wave propagating along the + x direction with velocity

A wave is represented by the equation, y = 0.1 sin (60 t + 2x) , where x and y are in metres and t is in seconds. This represents a wave

A2Z-ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM -Communication System
  1. Which of the following is the disadvantage of FM over AM

    Text Solution

    |

  2. In AM, the cent percent modulation is achived when

    Text Solution

    |

  3. A wave is represented as e=10 sin (10^(8)t+6 sin 1250t) then the mod...

    Text Solution

    |

  4. Maximum usable frequency (MUF) in F-region layer is x, when the critic...

    Text Solution

    |

  5. An oscillator is producing FM waves of requency 2kHz with a variation ...

    Text Solution

    |

  6. The maximum peak ro peak voltage of an AM wire is 24 mV and the minimu...

    Text Solution

    |

  7. In the given detector circuit, the suitable value of carrier frequency...

    Text Solution

    |

  8. Sinusoidal carrier voltage of frequency 1.5 MHz and amplitude 50V is a...

    Text Solution

    |

  9. Consider an optical communication system operating at lambda=800 nm. S...

    Text Solution

    |

  10. A photodetectore is made from a semiconductor. In (0.53)Ga(-0.47)As w...

    Text Solution

    |

  11. A ground reciever is receiving a signal at (a) 5 MHz, and (b) 100 MHz,...

    Text Solution

    |

  12. An optical fibre communication system works on a wavelength of 1.3 mu(...

    Text Solution

    |

  13. In an FM system a 7kHz signal modulates 108 MHz carrier so that freque...

    Text Solution

    |

  14. In a radio receiver, the short wave and medium wave station are tuned ...

    Text Solution

    |

  15. A carrier is simultaneously modulated by two sine waves with modulatio...

    Text Solution

    |

  16. A antenna current of an AM broadcast transmitter modulated by 50% is 1...

    Text Solution

    |

  17. Because of tilting, which waves finally disappear?

    Text Solution

    |

  18. A transmitter transmits a power of 10 kW when modulation is 50%. Power...

    Text Solution

    |

  19. A telephone link operating at a center frequency of 10 GHz is etablish...

    Text Solution

    |

  20. If a number of sine waves with modulation indices n(1),n(2),n(3)… modu...

    Text Solution

    |