Home
Class 12
PHYSICS
A L-C resonant circuit contains a 200 pF...

A L-C resonant circuit contains a 200 pF capacitor and a `100 muH` inductor. It is set into oscillation coupled to an antenna. The wavelength of the radiated electromagnetic waves is

A

377 mm

B

377 cm

C

`3.77 cm`

D

377 m

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-2 (LEVEL-I)|16 Videos
  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-2 (LEVEL-II)|2 Videos
  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|13 Videos
  • ELECTRO MAGNETIC WAVES

    MOTION|Exercise EXERCISE - 3 (SECTION - B)|8 Videos
  • ELECTROMAGNETISM

    MOTION|Exercise Exercise|136 Videos

Similar Questions

Explore conceptually related problems

A L-C resonant circuit contains a 200 pF capacitor and a 100 muG inductor. It is set into oscillation coupled to an antenna. The wavelength of the radiated electromagnetic waves is

An L-c resonant circuit contains a 200 pF capacitor and a 200muH inductor. It is into oscillation coupled to an antenna. The wavelength of the radiated electromagnetic waves is

An LC resonant circuit a 400 pF capacitor and a 100 muH inductor. It is set into oscillation coupled to an antenna. The wavelength of the radiated electormagetic wave is

An L-C resonant circuit contains a 100 muF capacitor an a 400 muH inductor. It is not set into oscillation coupled to an antenna. Find the frequency of the radiated electromagnetic waves.

The carrier frequency generated by a tank circuit containing 1 nF capacitor and 10 muH inductor is

Assertion : Electromagnetic waves interact with matter and set up oscillations Reason : Interaction is independent of the wavelength of the electromagnetic wave.

When charge is at rest then it creates only electric field not the magnetic field. A moving charge generates electric as well as magnetic field around it. If charge is moving with constant velocity then electric and magnetic field do not change with time, hence, it cannot produce electromagnetic wave. When charge is accelerated then time-varying electric and magnetic fields are created and thus electromagnetic wave is produced by accelerated charge. We know that the current-carrying wire creates magnetic field around it. If alternating current is flowing through the wire then it creates variable magnetic field around it and thus starts radiating electromagnetic waves. When a charged capacitor is connected across an inductor then charge starts oscillating between the plates of the capacitor. Normally one plate of the capacitor is connected to Earth and the other plate is connected to an antenna. Antenna radiates electromagnetic wave. Hertz successfully produced electromagnetic waves using such LC oscillator. Speed of electromagnetic wave in vacuum is constant and equal to 3 xx 10^8 m/s. But inside a medium the speed changes according to electrical and magnetic properties of the medium. IF mu_r and epsi_r are the relative permeability and relative premittivity of the medium then speed of light in that medium can be written as

A resonant AC circuit contains a capacitor of capacitance 10^(-6)F and an inductor of 10^(-4)H . The frequency of electrical oscillation will be

MOTION-ELECTROMAGNETIC INDUCTION-EXERCISE-1
  1. A rod of length l rotates with a uniform angular velocity omega about ...

    Text Solution

    |

  2. The north pole of a magnet is brought near a coil. The induced current...

    Text Solution

    |

  3. The coefficient of mutual induction between two coils is 4H. If the cu...

    Text Solution

    |

  4. A coil of wire of a certain radius has 600 turns and a self-inductance...

    Text Solution

    |

  5. A long solenoid contains 1000 turns/cm and an alternating current of p...

    Text Solution

    |

  6. The magnetic flux through a stationary loop with resistance R varies d...

    Text Solution

    |

  7. A closed planer wire loop of area A and arbitrary shape is placed in a...

    Text Solution

    |

  8. Two coil A and B have coefficient of mutual inductance M=2H. The magne...

    Text Solution

    |

  9. Induction furnace works on the principle of

    Text Solution

    |

  10. L, C and R represent the physical quantities inductance, capacitance a...

    Text Solution

    |

  11. In an L-R circuit connected to a battery of constant e.m.f. E switch S...

    Text Solution

    |

  12. A current of 2A is increasing at a rate of 4A//s through a coil of ind...

    Text Solution

    |

  13. A long solenoid of N turns has a self-induced L and area of cross-sect...

    Text Solution

    |

  14. The current in an L - R circuit in a time t = 2L / R reduces to-

    Text Solution

    |

  15. An LR circuit with a battery is connected at t=0. Which of the follow...

    Text Solution

    |

  16. Electro magnetic waves travel in a medium with speed of 2xx10^(8)m//se...

    Text Solution

    |

  17. A light beam travelling in the x-direction is described by the eectirc...

    Text Solution

    |

  18. A L-C resonant circuit contains a 200 pF capacitor and a 100 muH induc...

    Text Solution

    |

  19. The frequency of radio waves corresponding to a wavelength of ...

    Text Solution

    |

  20. In a plane electromagnetic wave, the electric field oscillates sinusoi...

    Text Solution

    |