Home
Class 12
PHYSICS
Why there is a need for modulation ?...

Why there is a need for modulation ?

Text Solution

Verified by Experts

1. To reduce the size of the antenna
2. Effective power radiated by the antenna
3. Mixing up of signals from different transmitters
Promotional Banner

Topper's Solved these Questions

  • SUPPLEMENTARY EXAM QUESTION PAPER JUNE-2019

    SUNSTAR PUBLICATION|Exercise Part-B|8 Videos
  • SUPPLEMENTARY EXAM QUESTION PAPER JUNE-2019

    SUNSTAR PUBLICATION|Exercise Part-C|18 Videos
  • SUPPLEMENTARY EXAM QUESTION PAPER JULY -2015

    SUNSTAR PUBLICATION|Exercise PART-D|11 Videos
  • [II PUC PHYSICS] ANNUAL EXAM QUESTION PAPER MARCH-2016

    SUNSTAR PUBLICATION|Exercise PART-D (Answer any three of the following questions).|5 Videos

Similar Questions

Explore conceptually related problems

What is meant by modulation ?

Why is there a need for harnessing non-comventional energy sources How can energy be harnessed from the sea in different ways ?

Sulphur is needed for

(i) Define modulation index. (ii) Why is the amplitude of modulating signal kept less than the amplitude of carrier wave ?

Why is the amplitude of modulating signal kept less than the amplitude of carrier wave?

What is meant by Pulse modulation ?

SUNSTAR PUBLICATION-SUPPLEMENTARY EXAM QUESTION PAPER JUNE-2019-Part-C
  1. Why there is a need for modulation ?

    Text Solution

    |

  2. Mention and five properties of electric field lines.

    Text Solution

    |

  3. Obtain an expression for effective Capacitance of two Capacitors Conne...

    Text Solution

    |

  4. How is galvanometer converted into an ammeter?

    Text Solution

    |

  5. Write three properties of diamagnetic and ferromagnetic materials

    Text Solution

    |

  6. Obtain the relation between radius of curvature and focal length of a ...

    Text Solution

    |

  7. Using Huygens principle, show that the angle of incidence is equal to ...

    Text Solution

    |

  8. Mention the different methods of electron emission .

    Text Solution

    |

  9. Give the logic symbol, Boolean expression and truth table of a NAND ga...

    Text Solution

    |

  10. Obtain an expression for the electric field intenstiy at a point on th...

    Text Solution

    |

  11. Deduce the condition for balance of a wheatstone's bridge using...

    Text Solution

    |

  12. Derive an Expression for instantaneous induced emf in an A.C generator

    Text Solution

    |

  13. Obtain an expression for the total energy of an electron in the n^(th)...

    Text Solution

    |

  14. What is Rectification? Describe with a circuit diagram the working of ...

    Text Solution

    |

  15. ABCD is a square of side 1m. Charges of +3nC, -5nC and +3nC are placed...

    Text Solution

    |

  16. A network of Resistors is Connected to a 16V battery with internal res...

    Text Solution

    |

  17. A sinusoidal voltage of peak value 283 V and frequency 50 Hz is applie...

    Text Solution

    |

  18. An object of size 3.0cm is placed 14cm in front of a concave lens of f...

    Text Solution

    |

  19. Calculate the binding Energy of an alpha (alpha) particle in Mev from ...

    Text Solution

    |