Home
Class 12
PHYSICS
The velocity factor of a transmission li...

The velocity factor of a transmission line `x`. If dielectric constant of the medium is `2.6`,

A

`0.26`

B

`0.62`

C

`2.6`

D

`6.2`

Text Solution

Verified by Experts

The correct Answer is:
b
`v.f.=(1)/(sqrt(k))=(1)/(sqrt(2.6))=0.62`
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

The velocity factor of a transmission line x . If dielectric constant of the medium is 1.8 , the value of x is

The velocity factor of a transmission line is 0.62 .Calculate dielectric constant of the insulation used.

The velocity factor of a transmission line is 0.62 .Calculate dielectric constant of the insulation used.

Dielectric constant of H_(2)O_(2)

A plane electromagnetic wave in a non-magnetic dielectric medium is given by vecE = vecE_(0)(4 xx 10^(-7) x - 50 t) with distance being in meter and time in seconds. The dielectric constant of the medium is :

Propogation constant of a transmission line is :

Propogation constant of a transmission line is :

A2Z-ELECTROMAGNETIC WAVES AND COMMUNICATION SYSTEM -Communication System
  1. Amplitude modulation is used for broad casting because

    Text Solution

    |

  2. Range of frequencies allotted for commercial FM radio broadcast is

    Text Solution

    |

  3. The velocity factor of a transmission line x. If dielectric constant o...

    Text Solution

    |

  4. The process of superimposing signal frequency (i.e. audio wave) on the...

    Text Solution

    |

  5. A sept index fibre has a relavitive refractive index of 0.88%. What is...

    Text Solution

    |

  6. The characteristic impedance of a coaxial cable is of the order of

    Text Solution

    |

  7. If mu and mu(2) are the refractive indices of the materials of core an...

    Text Solution

    |

  8. Through which mode of propagation, the radio waves can be sent from on...

    Text Solution

    |

  9. A laser beam of pluse power 10^(12) watt is focussed on an object are ...

    Text Solution

    |

  10. The carrier frequency generated by a tank circuit containing 1 nF capa...

    Text Solution

    |

  11. Broadcasting antennas are generally

    Text Solution

    |

  12. What type of modulation is employed in india for radio transmission

    Text Solution

    |

  13. When the modulating frequency is doubled, the modulation index is halv...

    Text Solution

    |

  14. An antenna is a device

    Text Solution

    |

  15. While tuning in a certain broad cast station with a receiver, we are a...

    Text Solution

    |

  16. the attenution in optical fibre is mainly due to

    Text Solution

    |

  17. Laser beams are used to measure long distances because

    Text Solution

    |

  18. An antenna behaves as resonant circuit only when its length is

    Text Solution

    |

  19. Television signal on earth cannot be recevied at distances greater th...

    Text Solution

    |

  20. Advantage of optical fibre

    Text Solution

    |