Home
Class 12
PHYSICS
An electron experiences a force equal to...

An electron experiences a force equal to its weight, when placed in an electric field. The intensity of the field will be

A

`1.7 xx 10^(-11)` N/C

B

`5 xx 10^(-11) ` N/C

C

`17 xx 10^(-11)` N/C

D

`50 xx 10^(-11)` N/C

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    NIKITA PUBLICATION|Exercise MCQs|431 Videos

  • ELECTROSTATICS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|458 Videos

Similar Questions

Explore conceptually related problems

The SI unit of electric field intensity is

Define electric field intensity at a point.

a proton placed in an electric field would experience an electrical force equal to its weight. the magnitude of electric field intensity E would be

A charge 3 coulomb experiences a force 300 N when placed in a uniform electric field. The potential difference between two points separated by a distance of 10 cm along the field line is:

The unit of intensity of electric field is

NIKITA PUBLICATION-ELECTRONS AND PHOTONS -MCQs
  1. A charged particle is projected in a chamber with velocity v . It move...

    Text Solution

    |

  2. An electron moving at the speed of 10^(7) m/s , enters a magnetic fiel...

    Text Solution

    |

  3. An electron experiences a force equal to its weight, when placed in an...

    Text Solution

    |

  4. Mutually perpendicular electric and magnetic fields are given by E = 1...

    Text Solution

    |

  5. When light of 2.5 eV falls on a metal surface, maximum kinetic energy ...

    Text Solution

    |

  6. Electron moves in uniform magnetic field perpendicular to direction of...

    Text Solution

    |

  7. Photoelectric emission takes place

    Text Solution

    |

  8. An electron is accelerated from rest to potential V. the final velocit...

    Text Solution

    |

  9. An electron is projected in a perpendicular uniform magnetic field of ...

    Text Solution

    |

  10. The stopping potential of a given photoelectric device is depended on

    Text Solution

    |

  11. The radiations of 1 eV and 2.5 eV are incident on a metal having a wor...

    Text Solution

    |

  12. When temperature of a metal increases ,

    Text Solution

    |

  13. An electron is fired through a region of crossed electric and magneti...

    Text Solution

    |

  14. A charge q , and mass m , is fired perpendicular to a magnetic field (...

    Text Solution

    |

  15. The stopping potential of a photoelectric diode is 9 volts. e//m = 1.8...

    Text Solution

    |

  16. An electron enters in a magnetic held of induction 2 m T with velocity...

    Text Solution

    |

  17. Speed of an electron passing undeviated through a region of cross elec...

    Text Solution

    |

  18. In photoelectric effect if the intensity of light is doubled then maxi...

    Text Solution

    |

  19. Calcium plate has maximum possible radiation of wavelength 1 of 400 nm...

    Text Solution

    |

  20. Two particles of equal charges after being accelerated through the sa...

    Text Solution

    |