Home
Class 12
PHYSICS
The potential at a point x (measured in ...

The potential at a point x (measured in pm) due to some charges situated on the x-axis is given by `V(x)=20/((x^2-4))` Volts. The electric field E at x = 4 pm is given by

A

`5/3V//p m` and in the `-vex` direction

B

`5/3V//p m` and in the `+vex` direction

C

`10/9V//p m ` and in the `-vex` direction

D

`10/9V//p m ` and in the `+vex` direction

Text Solution

Verified by Experts

The correct Answer is:
D
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

The electric potential V at any point (x, y, z) all in meters in space is given by V = 4x^(2)V . The electric field at the point (1,0,2) in V cdot m^(-1) is

The electric potential at any point in 3 dimensional co-ordinate (x,y, z) space is V = 4x^2 volt. The electric field at (1m, 0m, 2m) point in V//m will be

The electric potential at a point (x,y,z) is given by V=-x^2y-xz^3+4 . Find the intensity of electic field vecE at that point.

The electric potential at a point (x, y, z) is given by V = -x^(2)y - xz^(3) +4 . Find the intensity of electric field vec(E ) at that point.

In a certain place, the electric potential changes according to the relation V = 3x + 2y^(2) , V is measured in volt and x,y in metre. What is the electric field intensity at the point (3,1)?

The electric potential V(x) in a region along the x-axis varies with the distance x (in metre) according to V(x) = 4x^(2) . Calculate the force experienced by a 1 muC charge placed at x = 1m.

The electric potential V(x) in an electric field depends only on x and V(x) = ax - bx^(3) where a and b are constants. Where on the x-axis will electric field intensity be zero?

The electric potential at a point is given by V=3x^2y+5y^2z+7z^2x Find the magnitude of electric field at the point(3,2,1)

Two point charges of values -20 esu and +20 esu are placed on the x-axis at x = -10cm and x = +10cm respectively. Calculate (ii) The electric fields at the points P(1,10) and Q(20,0) .

The electric potential in a region is represented as, v=2x+3y-z The electric field strength is

PATHFINDER-ELECTROSTATICS-I, II AND III-QUESTION BANK
  1. Two conducting, concentric, hollow spheres A and B have radii a and b ...

    Text Solution

    |

  2. Two thin wire rings each having a radius R are placed at a distance d ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. What is the potential at point 0 ?

    Text Solution

    |