Home
Class 12
PHYSICS
Two opposite corners of a square carry Q...

Two opposite corners of a square carry Q charges each and the other two opposite corners of the square carry q charge each. If the resutlant force on Q is zero, how are Q and q related?

A

`-1`

B

1

C

`-2sqrt2`

D

`-1//sqrt2`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEXUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|195 Videos
  • TEXTUAL QUESTIONS

    MODERN PUBLICATION|Exercise EXERCISE|507 Videos
  • UNIT TEST -06

    MODERN PUBLICATION|Exercise EXERCISE|461 Videos

Similar Questions

Explore conceptually related problems

Opposite charges …………..each other.

Four point charges Q, q, Q and q are placed at the corners of a square of side 'a' as shown in the figure. Find the resultant electric force on a charge Q?

Three charges, each equal to q, are placed at the three corners of a square of side a. Find the electric field at the fourth corner of the square.

Four point charges Q, q, Q and q are placed at the corners of a square of side 'a' as shown in the figure. Find the potential energy of this system?

Three charges each of value q are placed the corers of an equilaterla triangle. A fourth charge Q is placed at the centre of the triangle. If Q = -q, will the charges at the corners move towards the centre or fly away from it?

An electric charge q is placed at one of the corner of a cube of side a . The electric flux on one of its faces will be

A charge Q is placed at the corner of a cube. The electric flux through all the six faces of the cube is

Write the : Side opposite to the vertex Q of triangle PQR

MODERN PUBLICATION-TEXUAL QUESTIONS -EXERCISE
  1. A charge q is placed at the centre of line joining two equal charges Q...

    Text Solution

    |

  2. Two opposite corners of a square carry Q charges each and the other tw...

    Text Solution

    |

  3. A copper ball of density 8.6 g cm^-3 cm in diameter is immersed in oil...

    Text Solution

    |

  4. Two point charges of +16muC and -9muC are placed 8 cm apart in air. D...

    Text Solution

    |

  5. A spherical conductor of radius 12 cm has a charge of 1.6 xx 10^-7C di...

    Text Solution

    |

  6. An electric dipoole, when placed at an angle 30^@ with a uniform elect...

    Text Solution

    |

  7. A charged ball B hangs from a silk thread S, which makes an angle thet...

    Text Solution

    |

  8. A charged particle q is placed at the centre O of the cube (ABCDEFGH) ...

    Text Solution

    |

  9. Two charged conducting spheres A and B having radii a and b connected ...

    Text Solution

    |

  10. On moving a charge of 20 C by 2 cm, 2 J of work is done. Then, the pot...

    Text Solution

    |

  11. The potential at a point at distance x from some charge placed on X-ax...

    Text Solution

    |

  12. Capacitance (in F) of a spherical conductor of radius 1 m is

    Text Solution

    |

  13. A sheet of aluminium foil of negligible thickness is introduced betwee...

    Text Solution

    |

  14. A parallel plate capacitor is made by stacking n equally spaced plates...

    Text Solution

    |

  15. If n capacitors are connected in parallel to a V volt source, then tot...

    Text Solution

    |

  16. A battery is used to charge a parallel plate capacitor till the potent...

    Text Solution

    |

  17. A parallel plate capacitor with air between the plates has capacitance...

    Text Solution

    |

  18. A fully charged capacitor has a capacitance 'C'. It is discharged thro...

    Text Solution

    |

  19. The unit of permittivity of free space (E0) is :

    Text Solution

    |

  20. When air is replaced by a dielectric medium of dielectric constant K, ...

    Text Solution

    |