Home
Class 12
PHYSICS
Positive and negative point charges of e...

Positive and negative point charges of equal magnitude are kept at `(0,0,a/2)` and `(0,0,(-a)/2)` respectively. The work done by the electric field when another positive point charge is moved from `(-a,0,0)` to (0, a, 0) is

A

Positive

B

Negative

C

Zero

D

Depends on the path connecting the initial and final positions

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    PATHFINDER|Exercise QUESTION BANK|50 Videos
  • MAGNETIC EFFECT OF CURRENT AND ELECTROMAGNETISM-I,II AND III

    PATHFINDER|Exercise QUESTION BANK|213 Videos

Similar Questions

Explore conceptually related problems

Two point charges of magnitude +q and -q are placed at (-d/2, 0, 0) and (d/2, 0,0) respectively. Find the equation of the equipotential surface where the potential is zero.

Two charges -q and +q are located at points (0,0,-a) and (0,0,a) respectively. (c ) How much work is done in moving a small test charge from the point (5, 0, 0) to (-7, 0, 0) along the x-axis?

Two charges -q and +q are located at point A(0, 0, -a) and B(0, 0, +a) respectively. How much work is done in moving a test charge from point P(7, 0, 0 ) to Q(-3, 0, 0)?

Two charges -q and +q are located at points (0,0,-a) and (0,0,a) respectively. (a) What is the electrostatic potential at the points (0,0,z) and (x,y,0) ?

Two points having charges q_(1) and q_(2) are placed at the coordinates (a, 0, 0) and (0, b, 0) respectively. Find out the electric field intensity of a third point charge placed at (0, 0, c) due to those two charges.

Two charges -q and +q are located at points (0,0,-a) and (0,0,a) respectively. (b) Obtain the dependence of potential on the distance r of a point from the origin when r gt gt a .

Two charges of magnitudes -2Q and +Q are located at points (a, 0) and (4a, 0) respectively. What is the electric flux due to these charges through a sphere of radius 3a with its centre at the origin?

Two electric charge +8q and -2q, are placed at x=0 and x=L respectively. At what point on the x-axis , net electric field intensity due to two becomes zero ?

On the X-Y plane two point charges "+q and -q are placed at positions (0, L) and (0,-L) respectively. Find an expression for the intensity of the electric field at a point (0, y) where y >> L . Express the electric field in terms of the dipole moment so formed.

PATHFINDER-ELECTROSTATICS-I, II AND III-QUESTION BANK
  1. Two thin wire rings each having a radius R are placed at a distance d ...

    Text Solution

    |

  2. The potential at a point x (measured in pm) due to some charges situat...

    Text Solution

    |

  3. Two equal point charges are fixed at x=-a and x=+a on the x-axis. A...

    Text Solution

    |

  4. A wheel having mass m has charges +q and -q on diametrically opposit...

    Text Solution

    |

  5. The potential field depends on x and y coordinates as V=(x^2-y^2) Corr...

    Text Solution

    |

  6. A non-conducting ring of radius 0.5m carries a total charge of 1.11xx...

    Text Solution

    |

  7. Positive and negative point charges of equal magnitude are kept at (0,...

    Text Solution

    |

  8. A dipole of 2muC charges each, consists of the positive charge at the...

    Text Solution

    |

  9. Two point charges (q) and (-q) are separated by a distance 2l.. The f...

    Text Solution

    |

  10. The figure shows the electric field lines in the vicinity of two point...

    Text Solution

    |

  11. A thick shell with inner radius R and outer radius 3R has a uniform vo...

    Text Solution

    |

  12. Find the capacitance of a system of three parallel plates each of area...

    Text Solution

    |

  13. The resultant capacity between the points A and B in the following cir...

    Text Solution

    |

  14. A capacitor of capacitance C is charged to a potential difference V0....

    Text Solution

    |

  15. Four plates of equal area A are separated by equal distance d and are ...

    Text Solution

    |

  16. Five identical plates each of area A are joined as shown in the figure...

    Text Solution

    |

  17. Four metallic plates each with a surface area of one side A are placed...

    Text Solution

    |

  18. A parallel plate capacitor of plate area A and plate separation d is c...

    Text Solution

    |

  19. What is the potential at point 0 ?

    Text Solution

    |

  20. A solid conducting sphere of radius a having a charge q is surrounded ...

    Text Solution

    |