Home
Class 12
PHYSICS
The working of magnetic braking of train...

The working of magnetic braking of trainsis based on

A

Alternating current

B

Eddy current

C

Steady current

D

Pulsating current

Text Solution

Verified by Experts

The correct Answer is:
B
The working of magnetic breaking of trains is based on eddy current.
Promotional Banner

Topper's Solved these Questions

  • K-CET-PHYSICS-2019

    SUNSTAR PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|59 Videos

  • P.U. BOARD LATEST MODEL QUESTION PAPER-3

    SUNSTAR PUBLICATION|Exercise PART-D|11 Videos

Similar Questions

Explore conceptually related problems

The magnetic ore is :

What is the direction of magnetic field lines inside a bar magnet and outside of it .

Find an expression for the torque acting on a magnetic dipole placed in an uniform magnetic field . Hence define magnetic dipole moment .

What is a magnet ?

SUNSTAR PUBLICATION-K-CET_PHYSICS - 2017-MULTIPLE CHOICE QUESTIONS
  1. The susceptibility of a ferromagnetic substance is

    Text Solution

    |

  2. A bar magnet is allowed to fall vertically through a copper coil place...

    Text Solution

    |

  3. The working of magnetic braking of trainsis based on

    Text Solution

    |

  4. A jet plane of wing span 20 m is travelling towards west at a speed of...

    Text Solution

    |

  5. In the A.C. circuit shown, keeping .K. pressend, if an iron rod is ins...

    Text Solution

    |

  6. The output of a stepdown transformer is measured to be 48 V when conne...

    Text Solution

    |

  7. A coil of inductive reactance 1// sqrt(3) Omega and resistance 1 Omega...

    Text Solution

    |

  8. If vec E and vec B representelectric and magnetic field vectors of an ...

    Text Solution

    |

  9. According to Cartesian sign convention, in ray optics

    Text Solution

    |

  10. A linear objectof height 10 cm is kept in front of a concave mirror of...

    Text Solution

    |

  11. During scattering of light, the amount of scattering is inversely prop...

    Text Solution

    |

  12. In Young's double - slit experiment if yellow light is replaced by blu...

    Text Solution

    |

  13. According to Huygens' principle, during refraction of light from air t...

    Text Solution

    |

  14. In a system of two crossed polarisers, it is found that the intensity ...

    Text Solution

    |

  15. From the following graph of photo current against collector plate pote...

    Text Solution

    |

  16. A particle is dropped from a height 'H'. The de Broglie wavelength of ...

    Text Solution

    |

  17. The scientist who is credited with the discovery of 'nucleus' in an at...

    Text Solution

    |

  18. The energy (in W) required to excite an electron from n = 2 to n = 4 s...

    Text Solution

    |

  19. In a nuclear reactor the function of the Moderator is to decrease

    Text Solution

    |

  20. The partlcles emitted 1n the decay of ""(92)^(238)U to ""(92)^(234)U

    Text Solution

    |