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A: A metallic shield in the form of a ho...

A: A metallic shield in the form of a hollow shell may be built to block an electric field.
R: In a hollow spherical shield, the electric field inside it is zero at every point.

A

Both .A. and .R. are true and .R. is the correct explanation of .A.

B

Both .A. and .R. are tru and .R. is not the correct explanation of .A.

C

A. is true and .R. is false

D

A. is false and .R. is true

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-ELECTRIC CHARGES AND FIELDS-Exercise-I
  1. Two small spheres each carrying a charge q are placed r metre apart. I...

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

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

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

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

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

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

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

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

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  10. Match List-I with List-II

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  11. (A): Coulomb force between charges is central force (R ): Coulomb fo...

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  12. (A): Two particles of same charge projected with different velocity no...

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  13. (A): The coulomb force is the dominating force in the universe (R ):...

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  14. (A): Electric and gravitational fields are acting along same line. Whe...

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  15. (A): If there exists coulomb attraction between two bodies, both of th...

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  16. (A) : No two electric lines of force can intersect each other (R ): ...

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  17. (A ): Magnitude of electric force acting on a proton and an electron, ...

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  18. (A ): Sharper is the curvature of spot on a charged body lesser will b...

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  19. (A ): The surface densities of two spherical conductors of different r...

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  20. (A ): A charged particle free to move in an electric field always move...

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