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Electric Field - Questions and Answers

Practice questions on Electric Field.

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1. The direction of electric field intensity at any point on the flux line is given by
A. the normal at that point
B. the tangent at that point
C. the direction in which an electron moves at that point
D. the radial line at that point
Explanation:
2. The number of flux lines due to an unit positive charge, in air, is
A. 4π
B. 1/4π
C. 1/4πεo
D. 1/εo
Explanation:
3. The unit of electric field is
A. newton
B. newton-coulomb
C. volt-metre
D. NC -1 or Vm-1
Explanation:
4. The direction of electric field intensity at a point due to a negative charge is
A. inclined to the line joining the point and the charge
B. perpendicular to the line joining the point and the charge
C. radial and towards the charge
D. radial and away from the charge
Explanation:
5. Electric field is defined as
A. E/q
B. q/F
C. Eq
D. F/q
Explanation:
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