Home
Class 12
PHYSICS
Equal charges q are placed at the four c...

Equal charges `q` are placed at the four corners `A,B,C,D`of a square of length `a`. The magnitude of the force on the charge at `B` will be

A

`(3q^2)/(4 pi epsi_0 a^2)`

B

`(4q^2)/(4 pi epsi_(0) a^2)`

C

`(( 1/2+ sqrt2)) q^2/(4 pi epsi_(0)a^2)`

D

`(2 + 1/ sqrt2 ) q^2/(4 pi epsi_(0) a^2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Field and Potential)|207 Videos
  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Dipole)|38 Videos
  • ELECTRONICS

    ERRORLESS |Exercise Selv Evaluation Test|23 Videos
  • HEATING AND CHEMICAL EFFECT OF CURRENT

    ERRORLESS |Exercise Self Evaluation Test|14 Videos

Similar Questions

Explore conceptually related problems

Equal charges q are placed at the three corners B, C, D of a square ABCD of side a. The potential at A is

Equal charges q are placed at the three corners B, C, D of a square ABCD of side 'a'. The ratio of potential at A to centre O is

q,2q, 3q and 4q charges are placed at the four corners A,B,C and D of a square. The field at the centre P of the square has the direction parallel to

Four identical point charges q are placed at four corners of a square of side a. Find the potential energy of the charge system. .

Consider four equal charges (q, each) placed on the corners of a square with side a. Determine the magnitude and direction of the resultant force on the charge on lower right corner.

Four equal charges Q are placed at the four corners of a square of each side is 'a'. Work done in removing a charge -Q from its centre to infinity is

Four identical charges q are placed at the corners of a square of side a. Find the potential energy of one of the charges due to the remaining charges. .

Equal charges q are placed at the vertices A and B of an equilatral triangle ABC of side a . The magnitude of electric field at the point C is

Four charges are arranged at the corners of a square ABCD as shown in the figure. The force on the charge kept at the centre O will be:

Three point charges each of value + q are placed on three vertices of a square of side a metre. What is the magnitude of the force on a point charge of value -q coulomb placed at the centre of the square?

ERRORLESS -ELECTROSTATICS -Ordinary Thinking Objective Questions (Electric Flux and Gauss.s Law)
  1. Equal charges q are placed at the four corners A,B,C,Dof a square of l...

    Text Solution

    |

  2. A cylinder of radius R and length L is placed in a uniform electric fi...

    Text Solution

    |

  3. Electric field at a point varies as r^(0) for

    Text Solution

    |

  4. An electric charge q is placed at the centre of a cube of side l. The ...

    Text Solution

    |

  5. Total electric flux coming out of a unit positive charge put in air is

    Text Solution

    |

  6. For a given surface the Gauss's law is stated asoint vecE.dvecA=0. Fro...

    Text Solution

    |

  7. A cube of side l is p laced in a uniform field E, where E=E hati. The ...

    Text Solution

    |

  8. Eight dipoles of charges of magnitude e are placed inside a cube. The ...

    Text Solution

    |

  9. A charge +q is placed at the mid point of a cube of side L. The electr...

    Text Solution

    |

  10. A charge q is placed at the centre of the open end of a cylindrical ve...

    Text Solution

    |

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

    Text Solution

    |

  12. In case of infinite long wire electric field is proportional to

    Text Solution

    |

  13. Electric charge is uniformly distributed along a long straight wire of...

    Text Solution

    |

  14. The SI unit of electric flux is

    Text Solution

    |

  15. q(1),q(2),q(3) and q(4) are point charges located at point as shown in...

    Text Solution

    |

  16. Gauss’s law should be invalid if

    Text Solution

    |

  17. The inward and outward electric flux for a closed surface unit of N-m^...

    Text Solution

    |

  18. If a point charge q is placed at the centre of a cube, then find out f...

    Text Solution

    |

  19. If a spherical conductor comes out from the closed surface of the sphe...

    Text Solution

    |

  20. If the electric flux entering and leaving an enclosed surface respecti...

    Text Solution

    |

  21. A charge q is located at the centre of a cube. The electric flux throu...

    Text Solution

    |