Home
Class 12
PHYSICS
(A ): The surface densities of two spher...

(A ): The surface densities of two spherical conductors of different radii are equal. Then the electric field intensities near their surface are also equal.
(R ): Surface density is equal to charge per unit area.

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

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Exercise-II|56 Videos
  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Practice Exercise|57 Videos
  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Assess Your Self|13 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise PRACTICE EXERCISEX|44 Videos
  • ELECTRIC FIELD AND POTENTIAL

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|32 Videos

Similar Questions

Explore conceptually related problems

Two conducting spheres of radii R_(1) and R_(2) are at the same potential. The electric intensities on their surfaces are in the ratio of

The number of electrons to be put on a spherical conductor of radius 0.1 m to produce on electric field of 0.036 N/C just above its surface is

The magnitude of the electric field on the surface of a sphere of a sphere of radius r having a unifrom surface charge density sigma is

AAKASH SERIES-ELECTRIC CHARGES AND FIELDS-Exercise-I
  1. (A): Coulomb force between charges is central force (R ): Coulomb fo...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  11. (A ): Mass of a body decreases slightly when it negatively charged. ...

    Text Solution

    |

  12. (A ): Coulomb force is a long range force. (R ): Coulomb force acts ...

    Text Solution

    |

  13. (A): A small metal ball is suspended in a uniform electric field with ...

    Text Solution

    |

  14. (A ): A charge is lying at the centre of the line joining two similar ...

    Text Solution

    |

  15. (A): If a conducting medium is placed between two charges, then electr...

    Text Solution

    |

  16. (A): A point charge is lying at the centre of a cube of each side. The...

    Text Solution

    |

  17. (A) : In a cavity within a conductor, the electric field is zero. (R...

    Text Solution

    |

  18. (A): The typres of aircrafts are slightly conducting. (R ): If a con...

    Text Solution

    |

  19. (A): A bird perches on a high power lines and nothing happends to the ...

    Text Solution

    |

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

    Text Solution

    |