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If an electron moves from rest from a po...

If an electron moves from rest from a point at which potential is `50` volt to another point at which potential is `70` volt, then its kinetic energy in the final state will be

A

joule

B

erg

C

electron-volt

D

newton

Text Solution

Verified by Experts

The correct Answer is:
C
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NIKITA PUBLICATION-ELECTROSTATICS-Multiple Choice Questions
  1. Can a body have charge and still be at zero potential

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  2. Can a body have electric potential and still be uncharged

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  3. If an electron moves from rest from a point at which potential is 50 v...

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  4. Two equal and opposite charges separated by a finite distance is

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  5. The product of positive charge and distance between the two charges is

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  6. In S.I. system, coulomb-meter is unit of

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  7. The torque acting on an electric dipole of moment p held at an angle ...

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  8. An electric dipole in a uniform electric field experiences (When it is...

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  9. An electric dipole consists of two opposite charges of magnitude 1muC ...

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  10. What is the anle between the electric dipole moment and the elcetric f...

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  11. When a negative charge is taken at a height from earth's surface, then...

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  12. The electric field at a point due to a point charge is 20 NC^(-1) an...

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  13. If E = 0 at all points on a closed surface

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  14. A particle having positive charge is released from rest in the electri...

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  15. The path traced by a unit positive charge in an electric field is

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  16. Electric lines of force about negative point charge are

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  17. Which of the following statement is correct in case of lines of charge...

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  18. Give two properties of electric lines of force. Sketch them for an iso...

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  19. The electric lines of force do not passes through

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  20. The electric field intensity on the surface of a charged conductor is

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