Home
Class 12
PHYSICS
A stationary electron placed in a magnet...

A stationary electron placed in a magnetic field experiences a mechanical push equal to

A

cvB

B

zero

C

IvB

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETISM

    BINA LIBRARY|Exercise EXERCISE|105 Videos

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    BINA LIBRARY|Exercise EXERCISE|101 Videos

  • ELECTRONIC DEVICES

    BINA LIBRARY|Exercise EXERCISE|108 Videos

Similar Questions

Explore conceptually related problems

What is magnetic field?

Why magnetic field exist inside a magnet?

Under what condition does an electron moving through a magnetic field experience maximum force?

Does a magnetic field exert a force on a static charge?

Derive the expression for the magnetic force acting on a current carrying straight conductor placed in a uniform magnetic field and express it in vector form.

Draw the magnetic field lines of a bar magnet.

Draw the magnetic field lines of a bar magnet.

BINA LIBRARY-ELECTROMAGNETISM-EXERCISE
  1. A moving coil galvanometer has resistance 50Omega. The maximum bearabl...

    Text Solution

    |

  2. A proton enters a magnetic field of flux density 1.5Wb/m^2 with a sp...

    Text Solution

    |

  3. An electron and a proton enter a magnetic field perpendicularly. Both ...

    Text Solution

    |

  4. The earth's magnetic induction at a certain point is [7x 10^(-5)Wbm^-2...

    Text Solution

    |

  5. Two concentric circular coils of 10 turns cach are situated in the sam...

    Text Solution

    |

  6. A long copper tube of inner radius R carries a current I. The magnetie...

    Text Solution

    |

  7. Two long parallel wires carry equal current I in the same direction. T...

    Text Solution

    |

  8. In order to increase the sensitivity of a moving coil galvanometer one...

    Text Solution

    |

  9. A galvanometer has a resistance of 25Omega and a maximum of 0.01A curr...

    Text Solution

    |

  10. A voltmeter of resistance (2 x 10^4 Omega) reads 5V. To make it read 2...

    Text Solution

    |

  11. A galvanometer of resistance 20Ω is to be converted into an ammeter of...

    Text Solution

    |

  12. Two long parallel wires carry equal current I in the same direction. T...

    Text Solution

    |

  13. An electric charge moves with a constant velocity v parallel to the li...

    Text Solution

    |

  14. When a magnetic field is applied on an electron moving with uniform ve...

    Text Solution

    |

  15. A stationary electron placed in a magnetic field experiences a mechani...

    Text Solution

    |

  16. The force acting on an electron at rest in a uniform magnetic field B ...

    Text Solution

    |

  17. A conducting circular loop of radius r carries a current I. It is plac...

    Text Solution

    |

  18. Earth's magnetic field always has a horizontal component except at

    Text Solution

    |

  19. Distinguish among paramagnetic , ferromagnetic and diamagnetic materia...

    Text Solution

    |

  20. Demagnetisation of magnets is effected by

    Text Solution

    |