Home
Class 12
PHYSICS
+ q, + q, - q and - q are kept at vertic...

`+ q, + q, - q` and `- q` are kept at vertices of square ABCD respectively. Find the force acting on Q at centre of square. Side of square is a.

Text Solution

Verified by Experts

`(4sqrt(2)kQq)/a^(2) to `parallel to AD or BC
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    KUMAR PRAKASHAN|Exercise SECTION B NUMERICALS (NUMERICAL FROM TEXTUAL EXERCISES)|24 Videos

  • ELECTRIC CHARGES AND FIELDS

    KUMAR PRAKASHAN|Exercise SECTION B NUMERICALS (ADDITONAL EXERCISE)|10 Videos

  • ELECTRIC CHARGES AND FIELDS

    KUMAR PRAKASHAN|Exercise SECTION A QUESTIONS- ANSWERS (TRY YOURSELF )|73 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    KUMAR PRAKASHAN|Exercise Section-D (MCQs asked in GUJCET/Board Exam)|1 Videos

  • ELECTROMAGNETIC INDUCTION

    KUMAR PRAKASHAN|Exercise Section D MCQs (MCQs asked in Competitive Exams )|38 Videos

Similar Questions

Explore conceptually related problems

Four equal point charges of 16 muC are kept at vertices of square of side 0.2 m. Find force acting at any one charge.

Four point charges q_(A) =2 muC, q_(B) = -5 muC, q_(C) =2 muC , and q_(D) = -5 muC are located at the corners of a square ABCD of side 10 cm. What is the force on a charge of 1 muC placed at the centre of the square ?

Find the potential energy of a system of four particles placed at the vertices of a square of side l. Also obtain the potential at the centre of the square.

Conisder a system of three charges q//3 , q//3 and -2q//3 placed at point A, B and C, respectively, as shown in the figure. Take O to be centre of the circle of radius R and angle CAB=60^@

consider three charges q_(1),q_(2),q_(3) each equal to q at the vertices of an equilateral triangle of side l what is the force on a charge Q placed at the centroid of the triangle

Consider three charges q_(1),q_(2), q_(3) each equal to q at the vertices of an equilateral triangle of side l. What is the force on a charge Q (with the same sign as q) placed at the centroid of the triangle, as shown in figure ?

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

Consider the charges q, q and -q placed at vertices of an equilateral triangle as shown it figure. What is the force on each charge ?

KUMAR PRAKASHAN-ELECTRIC CHARGES AND FIELDS -SECTION B NUMERICALS (NUMERICAL FROM TEXTUAL ILLUSTRATIONS)
  1. A charged metallic sphere A is suspended by a nylon thread. Another ch...

    Text Solution

    |

  2. Consider three charges q(1),q(2), q(3) each equal to q at the vertices...

    Text Solution

    |

  3. Consider the charges q, q and -q placed at vertices of an equilateral...

    Text Solution

    |

  4. An electron falls through a distance of 1.5cm in a uniform electric fi...

    Text Solution

    |

  5. Two point charges q(1) and q(2) of magnitude + 10^(-8) c and -10^(-8)...

    Text Solution

    |

  6. Tow charges pm10 mu C are placed 5.0 mm apart determine the electri...

    Text Solution

    |

  7. The electric field components are E(x)=ax^(-1//2),E(y)=E(z)=0 in whi...

    Text Solution

    |

  8. An electric field is uniform and in the positive x direction for posit...

    Text Solution

    |

  9. An early model for an atom considered it to have a positively charged ...

    Text Solution

    |

  10. How can a metallic sphere be charged negatively without touching it ?

    Text Solution

    |

  11. If 10^10 electrons move out of a body to another body every second, ho...

    Text Solution

    |

  12. How much positive and negative charge is there in a 100 g water ? (Mol...

    Text Solution

    |

  13. Charges on identical spheres A and B are equal. When the separation be...

    Text Solution

    |

  14. + q, + q, - q and - q are kept at vertices of square ABCD respectively...

    Text Solution

    |

  15. Four equal point charges of 16 muC are kept at vertices of square of ...

    Text Solution

    |

  16. An electron falls through a distance of 2 cm ir a uniform electric fie...

    Text Solution

    |

  17. Two charges of dipole +- 10 mu C are placed 1mm apart. Determine the ...

    Text Solution

    |

  18. The electric field components in figure are E(x) =ax, E(y) = E(z) =0 ...

    Text Solution

    |

  19. If the electric field components due to electric charge in cube sho...

    Text Solution

    |

  20. A hollow cylinder is kept in 3-dimensional coordinate system of lm len...

    Text Solution

    |