Home
Class 12
PHYSICS
Four electric charges +q,+q,-q and -q ar...

Four electric charges `+q,+q,-q and -q` are placed at the corners of a square of side `2L`. The electric potential at point A, midway between the two charges `+q and +q` is

A

zero

B

`(1)/(4 pi epsilon_(0)) (2q)/(L) ( 1 + sqrt(5))`

C

`(1)/(4 pi epsilon_(0)) (2q)/(L) (1 + (1)/(sqrt(5)))`

D

`(1)/(4 pi epsilon_(0)) (2q)/(L) (1 - (1)/(sqrt(5)))`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - D|9 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - B|38 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - D Assertion-Reason Type Questions|25 Videos

  • GRAVITATION

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION - D (ASSERTION-REASON TYPE QUESTIONS)|15 Videos

Similar Questions

Explore conceptually related problems

Four electric charges +q, +q, -q and -q are placed at the corners of a square of side 2L (see figure). The electric potential at point A , mid-way between the two charges +q and +q , is

Electric charges q, q, –2q are placed at the corners of an equilateral triangle ABC of side l. The magnitude of electric dipole moment of the system is

Electric charges q, q, –2q are placed at the corners of an equilateral triangle ABC of side l. The magnitude of electric dipole moment of the system is

Four charges of +q, +q, +q and +q are placed at the corners A, B, C and D of a square of side a. Find the resultant force on the charge at D

Four charges of +q, +q +q and +q are placed at the corners A, B, C and D of s square. The resultant force on the charge at D

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 . (a) resultnat electric force on a charge Q and . (b) potential energy of this system.

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

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. .

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.

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.

AAKASH INSTITUTE ENGLISH-ELECTROSTATIC POTENTIAL AND CAPACITANCE -ASSIGNMENT SECTION - C
  1. A parallel plate capacitor has a uniform electric field E in the space...

    Text Solution

    |

  2. Two metallic spheres of radii 1 cm and 3 cm are given charges of –1 × ...

    Text Solution

    |

  3. Four electric charges +q,+q,-q and -q are placed at the corners of a s...

    Text Solution

    |

  4. Three charges, each +q , are placed at the corners of an isosceles tri...

    Text Solution

    |

  5. The electri potential V at any point O (x, y, z all in metres) in spac...

    Text Solution

    |

  6. A series combination of n(1) capacitors, each of value C(1), is charge...

    Text Solution

    |

  7. A condenser of capicity C is charged to a potential difference of V(1)...

    Text Solution

    |

  8. Two parallel metal plates having charges +Q and –Q face each each othe...

    Text Solution

    |

  9. Three concentric spherical shells have radii a, b and c(a lt b lt c) a...

    Text Solution

    |

  10. Three capacitors each of capacitance C and of breakdown voltage V are ...

    Text Solution

    |

  11. The electric potential at a point (x,y,z) is given by V =- x^(2) y - x...

    Text Solution

    |

  12. The mean free path of electrons in a metal is 4 xx 10^(-8) m. The el...

    Text Solution

    |

  13. The energy required to charge a parallel plate condenser of plate sepa...

    Text Solution

    |

  14. The electric potential at a point in free space due to a charge Q coul...

    Text Solution

    |

  15. Charges +q and -q are placed at points A and B respectively which are ...

    Text Solution

    |

  16. Two condenser one of capacity c and the other capacity (C)/(2), are co...

    Text Solution

    |

  17. A parallel plate air capacitor is charged to a potential difference of...

    Text Solution

    |

  18. A network of four capacitors of capacity equal to C(1) = C, C(2) = 2C,...

    Text Solution

    |

  19. A charge +q is placed at the origin O of x-y axes as shoen in the figu...

    Text Solution

    |

  20. Two charges q(1) and q(2) are placed 30 cm apart as shown in the figur...

    Text Solution

    |