Home
Class 12
PHYSICS
A Copper atom has 29 electrons revolving...

A Copper atom has 29 electrons revolving around the nucleus. A copper ball contains `4 xx 10^(23)` atoms. What fraction of the electrons be removed to give the ball a charge of `+9.6 mu C`?

A

`-1.8 xx 10^(-13)`

B

`-1.3 xx 10^(12)`

C

`6 xx 10^(10)`

D

`-5.2 xx 10^(-12)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - I) (LEVEL - II (ADVANCED ) STRAIGHT OBJECTIVE TYPE QUESTIONS)|4 Videos
  • ELECTROSTATICS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE - I) (LEVEL - II (ADVANCED ) MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS)|1 Videos
  • ELECTROMAGNETICS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|13 Videos
  • ELEMENTS OF VECTORS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

Similar Questions

Explore conceptually related problems

If an object of mass 1 kg contains 4xx10^(20) atoms. If one electron is removed from every atom of the solid, the charge gained by the solid in 1 g is

In hydrogen atom, the electron is moving round the nucleus with velocity 2.18xx10^(6)ms^(-1) in an orbit of radius 0.528 A. The acceleration of the electron is .

In an hydrogen atom, the electron revolves around the nucles in an orbit of radius 0.53 xx 10^(-10) m . Then the electrical potential produced by the nucleus at the position of the electron is

In an atom, two electrons move around nucleus in circular orbits of radii ( R) and ( 4R) . The ratio of the time taken by them to complete one revolution is :

(a) Obtain an expression for the equivalent capacitance when three capacitors are connected in parallel (b) An electron revolves around the nucleus of hydrogen atom in a circular orbit of radius 5 xx 10^(-11)m. Calculate : (i) intensity of electric field of the nucleus at the position of the electron. (ii) electrostatic potential energy of the hydrogen nucleus and electron system.

An electron moving near an atomic nucleus has a speed of 6xx10^(6) +- 1% m//s . What is the uncertainty in its position?

How many electrons must be removed from a piece of metal to give it a positive charge of 1.0 xx 10^(-7)C

The classical method of a hydrogen atom in its normal, unexcited configuration has an electron that revolves around a proton at a distance of 5.3 xx 10^(11)m . (a) What is the electric potential due to the proton at the position of electron ? (b) Determine the electrostatic potential energy between the two particles.

In hydrogen atom, an electron is revolving in the orbit of radius 0.53 Å with 6.6xx10^(15) rotations//second . Magnetic field produced at the centre of the orbit is

At what speed should the electron revolve around the nucleus of a hydrogen atom in order that it may not be pulled into the nucleus by electrostatic attraction ? Take the radius of orbit of an electron as 0.5Å , the mass of the electron as 9.1xx10^(-31) kg and charge as 1.6xx10^(-19)C .