Home
Class 12
PHYSICS
Gauss' law is true only if electric forc...

Gauss' law is true only if electric force due to a given charges varies with distance 'r' as

A

`r^(-2) `

B

` r^(-3) `

C

` r^(2) `

D

` r^(-1) `

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise FILL IN THE BLANKS|15 Videos

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise TRUE OR FALSE|5 Videos

  • ELECTRIC CHARGES AND FIELDS

    U-LIKE SERIES|Exercise CASE BASED/ SOURCE -BASED INTEGRATED QUESTIONS|14 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST SECTION-C (VERY SHORT ANSWER QUESTIONS)|3 Videos

  • ELECTROMAGNETIC WAVES

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST (SECTION C)|1 Videos

Similar Questions

Explore conceptually related problems

Gauss's law is true only if force due to a charge varies as

A charge Q is placed at the centre of an inaginary hemispherical surface. Using symmetry arguments and the Gauss's law, find the flux of the electric field due to this charge through the surface of the hemisphere (figure ).

A point charge q is placed at the origin . How does the electric field due to the charge very with distance r from the origin ?

Electric potential energy V between two charges varies with distance (r) between them as

The electrostatic potential due to an electric dipole at a distance 'r' varies as

The electric field and the potential of an electric dipole vary with distance 'r' as

Gauss Law, Application of Gauss law to find Electric field due to a point charge, an infinitely long rod and infinitely large plane

" Electric field intensity due to a point charge " "q" ' at a distance 'r' from it is "

The electric field and the potential of an electric dipole vary with distance r as

U-LIKE SERIES-ELECTRIC CHARGES AND FIELDS -MULTIPLE CHOICE QUESTIONS
  1. An electric dipole is placed at an angle of 30^(@) to a non-uniform...

    Text Solution

    |

  2. A square surface of side L in the plane of the paper is placed in a un...

    Text Solution

    |

  3. The electric dipole moment of an electron and proton 4.3 nm apart is

    Text Solution

    |

  4. A charge Q is placed at each of the opposite corners of square. A char...

    Text Solution

    |

  5. The value of electric permittivity of free space is

    Text Solution

    |

  6. Two charges q1 and q2 separated by a distance 'r' in air exert a for...

    Text Solution

    |

  7. An electron of charges e experiences a force equal to its weight 'mg' ...

    Text Solution

    |

  8. Which of the following is not a unit of electric field?

    Text Solution

    |

  9. Figure 1.24 shows electric field lines corresponding to an electric fi...

    Text Solution

    |

  10. A hexagon of side 'a' has a charge 'q' at each of its vertices. The el...

    Text Solution

    |

  11. Two charges of 10 mu C and 20 muC respectively are placed at points...

    Text Solution

    |

  12. An electric and a proton are separated by a distance of 1 oversetto @...

    Text Solution

    |

  13. If Ea be the electric field of a short dipole at a point on its axia...

    Text Solution

    |

  14. A point P lies on the perpendicular bisector of a short electric dipo...

    Text Solution

    |

  15. Ten dipoles ,each of dipole moment 'p' , are placed inside a hollow sp...

    Text Solution

    |

  16. Electric field 'E' at a point situated at a normal distacne 'r' from a...

    Text Solution

    |

  17. SI unit of electric flux is

    Text Solution

    |

  18. Which of the following graph represents the variation of electric fiel...

    Text Solution

    |

  19. If the electric flux entering and leaving an enclosed surface are phi1...

    Text Solution

    |

  20. Gauss' law is true only if electric force due to a given charges varie...

    Text Solution

    |