Home
Class 12
PHYSICS
(A ): A charge is lying at the centre of...

(A ): A charge is lying at the centre of the line joining two similar charges each which are fixed. The system will be in equilibrium if that charge is one fourth of the similar charges.
(R ): For charge to be in equilibrium, sum of the forces on charge due to rest of the two charges must be zero.

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:
D
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

A charge q is placed at the centre of the line joining two equal charges Q to establish equilibrium. The system of three charges will be in equilibrium if q is equal to

A charge Q is placed at the centre of the line joining two charges q and q. For the system of three charges to be in equilibrium, what should be the value of Q?

Four charges equal to - Q placed at the four corners of a sqare and a charge q is its centre. If the system is in equilibrium, the value of q is

The force between two similar charges of magnitude 2C each separated by a distance 2km

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

    |