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Which of the following statements are co...

Which of the following statements are correct.
(a) Electric lines of force are just imaginary lines
(b) Electric lines of force will be parallel to the surface of conductor
(c ) If the lines of force are crowded, then field is strong
(d) Electric lines of force are closed loops

A

both a & c

B

both b & d

C

only .a.

D

all

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-ELECTRIC CHARGES AND FIELDS-Exercise-I
  1. The property of the electric line of force (a) The tangent to the li...

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  2. A force between the two stationary charges separated by certain distan...

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  3. Which of the following statements are correct. (a) Electric lines of...

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  4. For a given surface the Gauss.s Law is stated as oint E.ds= 0. From th...

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  5. It is not convenient to use a spherical Gaussian surface to find the e...

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  6. An ellipsoidal cavity is carved with in a perfect conductor. A positiv...

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  7. If a charge is enclosed by the surface of the sphere then total flux e...

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  8. A metallic shell has a point charge .q. kept inside its cavity. Which ...

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  9. A charge of Q coulomb is placed on a solid piece of metal of irregular...

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  10. Gauss.s law is true only if force due to a charge varies as:

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  11. An electric diple is put in north-south direction in a sphere filled w...

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  12. Two small spheres each carrying a charge q are placed r metre apart. I...

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  13. Find the total flux due to charge q associated with the given hemisphe...

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  14. A: A metallic shield in the form of a hollow shell may be built to blo...

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  15. A thin spherical shell of radius R has charge Q spread uniformly over ...

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  16. An electric dipole kept in a uniform electric field experiences

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  17. The value of electric potential at any point due to any electric dipol...

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  18. An electric dipole is plced at an angle of 30^(@) to a nonuniform elec...

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  19. What is the angle between the electric dipole moment and the electric ...

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  20. An electric dipole is kept in nonuiform electric field. It experiences

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