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

`5.6xx10^(-9)N//C`

B

`5.6xx10^(-11)N//C`

C

`5.6xx10^(-8)N//C`

D

`5.6xx10^(-7)N//C`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS - I

    MOTION|Exercise EXERCISE - 1 (Section E)|15 Videos

  • ELECTROSTATICS - I

    MOTION|Exercise EXERCISE - 2 (Level -I) (Section A)|6 Videos

  • ELECTROSTATICS - I

    MOTION|Exercise EXERCISE - 1 (Section C)|8 Videos

  • ELECTROSTATICS

    MOTION|Exercise Exercise -3 Section (B) Previous Year Problems | JEE Main|30 Videos

  • ELECTROSTATICS-II

    MOTION|Exercise Exercise - 4 (Level - II)|30 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