Home
Class 12
PHYSICS
If mass of the electron = 9.1 xx 10^(–31...

If mass of the electron = `9.1 xx 10^(–31)` Kg. Charge on the electron `= 1.6 xx 10^(–19)` coulomb and `g = 9.8 m//s^(2)`. Then the intensity of the electric field required to balance the weight of an electron is-

A

`5.6 xx 10^(-9) N//C`

B

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

C

`5.6 xx 10^(-8) N//C`

D

`5.6 xx 10^(-7) N//C`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    MOTION|Exercise Exercise - 2 (Objective Problems | NEET)|64 Videos

  • ELECTROSTATICS

    MOTION|Exercise Exercise -3 Section (A)|41 Videos

  • ELECTROSTATICS

    MOTION|Exercise SELF PRACTICE PROBLEM|27 Videos

  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise EXERCISE - 3|29 Videos

  • ELECTROSTATICS - I

    MOTION|Exercise EXERCISE - 4 (Level -II) PREVIOUS YEAR - JEE ADVANCED|13 Videos

Similar Questions

Explore conceptually related problems

If mass of an electron is 9.1xx10^(-31) kg, the number of electrons in 1 mg is

If mass of an electron is 9.11xx10^(-31) kg, how many electrons will weight 2 kg?

The mass of an electron is 9.1 xx 10^(-31) kg . If its kinetic energy is 3.0 xx 10^(25) J , calculate its wavelength.

If the electronic charge e=1.6xx10^(-19)C and the specific charge e/m off electron is 1.76xx10^(11)C(kg)^(-1) then calculate the mass m of the electron.

A charged water drop of weight 4 xx 10^(-18) kg and charge 1.6 xx 10^(-19) C is stable in an electric field . What is the intensity of electric field

The mass of an electron is 9.1xx10^(-31) kg and velocity is 2.99xx10^(10) cm s^(-1) . The wavelenth of the electron will be

An electron (charge = 1.6 xx 10^(-19) coulomb) is accelerated through a potential of 1,00,000 volts. The energy required by the electron is

The mass of an electron at rest is 9.1 xx10^(-31) kg. The energy of electron when it moves with speed of 1.8xx10^(8) m/s is

MOTION-ELECTROSTATICS-Exercise -1 (Objective Problems | NEET)
  1. Two charges 4q and q are placed 30 cm. apart. At what point the value ...

    Text Solution

    |

  2. A pendulum bob of mass 80mg and carrying a charge of 2xx 10^(-8)C is a...

    Text Solution

    |

  3. If mass of the electron = 9.1 xx 10^(–31) Kg. Charge on the electron =...

    Text Solution

    |

  4. Five equal charges each of value q are placed at the corners of a reg...

    Text Solution

    |

  5. Four charges +q, +q, -q, -q are fixed respectively at the corners of A...

    Text Solution

    |

  6. Two charge 9e and 3e are placed at a distance r. The distance of the p...

    Text Solution

    |

  7. A proton is first placed at A and then at B between the two plates of ...

    Text Solution

    |

  8. A ring of radius R carries a uniformly distributed charge +Q. A point ...

    Text Solution

    |

  9. A small circular ring has a uniform charge distribution. On a far-off ...

    Text Solution

    |

  10. A non conduction ring of radius R Has uniformly distributed positive ...

    Text Solution

    |

  11. Which of the following statements concerning the electrostatics is cor...

    Text Solution

    |

  12. The tangent drawn ar a point on a line of electroc force shows the -

    Text Solution

    |

  13. Which one of the following diagrams shows the correct lines of force ?

    Text Solution

    |

  14. Electric lines of forces -

    Text Solution

    |

  15. Figure shows the electric lines of force emerging from a charged body....

    Text Solution

    |

  16. Two parallel plates of infinite dimensions are uniformly charged. The ...

    Text Solution

    |

  17. A point positive charge of Q' units is moved round another point posit...

    Text Solution

    |

  18. Three charges are placed as shown in fig if the electric potential ene...

    Text Solution

    |

  19. How much kinetic energy will be gained by an alpha-particle in going f...

    Text Solution

    |

  20. A point charge q moves from point P to pont S along the path PQRS (fig...

    Text Solution

    |