Home
Class 12
PHYSICS
A audio signal 15sin2pi(1500t) amplitude...

A audio signal `15sin2pi(1500t)` amplitude modulates `60sin2pi(10^(5))t`. The depth of modulation is

A

`25%`

B

`20%`

C

`50%`

D

`40%`

Text Solution

Verified by Experts

The correct Answer is:
A
`mu=(A_(m))/(A_(c))xx100=(15)/(60)xx100=25%`
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEM

    NARAYNA|Exercise Level-III|11 Videos

  • COMMUNICATION SYSTEM

    NARAYNA|Exercise NCERT Based|16 Videos

  • COMMUNICATION SYSTEM

    NARAYNA|Exercise Level-I(C.W)|16 Videos

  • CAPACITANCE

    NARAYNA|Exercise Previous IIT-JEE|16 Videos

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 6|43 Videos

Similar Questions

Explore conceptually related problems

A audio signal 20sin2pi(1500t) amplitude modulates 40sin2pi(10^(5))t . The depth of modulation is

An audio signal 5sin2pi(1600t) amplitude modulates 20sin2pi(10^(5)t) . The two side band frequencies are

An audio signal 25sin2pi(1400t) amplitude modulates 80sin2pi(10^(5)t) . The two side band frequencies are

The audio signal used to modulate 60 sin (2pixx10^(6)t) is 15 sin 300 pi t . The depth of modulation is

The audio ignal used to modulate 30 sin (2pixx10^(6) t ) is 15 sin 300 pit . The depth of modulation of

An audio signal v_m = 20 sin 2 pi (1500 t) amplitude modulates a carrier v_C = 80 sin 2pi (100,000t ) . The value of percent modulation is ___

The amplitude modulated current is given by i=70[1+0.06sin2900t]sin10^(6)t . The depth of modulation is

The amplitude modulated current is given by i=125[1+0.6sin2900t]sin10^(6)t . The depth of modulation is

An audio signal represented as 25 sin 2pi ( 2000 t) amplitude modulated by a carrier wave : 60 sin 2pi (100,000)t . The modulation index of the modulated signal is

An audio signal given by e_1 = 12 sin 2pi (2000 t) amplitude modulates a sinusoidal carrier wave e^2 = 50 sin 2pi ( 100, I00t). What is the upper side band frequency?

NARAYNA-COMMUNICATION SYSTEM-Level-II(C.W)
  1. A carrier wave of peak voltage 12 V is used to transmit a message sign...

    Text Solution

    |

  2. A modulating signal is a square wave as shown in figure. The carr...

    Text Solution

    |

  3. A audio signal 15sin2pi(1500t) amplitude modulates 60sin2pi(10^(5))t. ...

    Text Solution

    |

  4. An AM wave is given by V=1500[1+0.5sin12560t]sin(5.26xx10^(5)t). T...

    Text Solution

    |

  5. The amplitude modulated current is given by i=125[1+0.6sin2900t]sin(...

    Text Solution

    |

  6. An audio signal 25sin2pi(1400t) amplitude modulates 80sin2pi(10^(5)t)....

    Text Solution

    |

  7. If f(c) and f(m) are the frequencies of carrier wave and signal, then ...

    Text Solution

    |

  8. The number of AM broadcast stations that can be accomodated in a 300kH...

    Text Solution

    |

  9. A 1000 kHz carrrier is simultaneously modulated with 300Hz, 800Hz and ...

    Text Solution

    |

  10. Depth of modulation in terms of E(max) and E(min) is

    Text Solution

    |

  11. If V(c) is amplitude of carrier wave in AM transmitter where modulatio...

    Text Solution

    |

  12. If a carrier wave of amplitude 10mV is modulated by an audio signal of...

    Text Solution

    |

  13. The amplitude modulated current is given by i=125[1+0.6sin2900t]sin1...

    Text Solution

    |

  14. If minimum voltage in an AM wave was found to be 2V and maximum voltag...

    Text Solution

    |

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

    Text Solution

    |

  16. A transmitter supplies 9kW to the aerial when unmodulated. The power r...

    Text Solution

    |

  17. The total power content of an AM wave is 1500 W. For 100% modulation, ...

    Text Solution

    |

  18. The bit rate for a signal, which has a sampling rate of 8 kHz and whar...

    Text Solution

    |

  19. The antenna current of an AM transmitter is 8A when only the carrier i...

    Text Solution

    |

  20. In a diode AM- dectector, the output circuit consist of R=1 kW and C=1...

    Text Solution

    |