Home
Class 12
PHYSICS
The variation of potential with distance...

The variation of potential with distance r from a fixed point is shown in fig. The electric field at r = 5cm, is :

A

`(2.5)V//cm`

B

`(-2.5)V//cm`

C

`(-2//5)V//cm`

D

`(2//5)V//cm`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The variation of potential with distance R from a fixed point is shown in figure. The electric field at R = 5 m is -

The variation of potential with distance R from the fixed point is shown in (Fig. 3.125). . The electric field at R = 5 m is.

The variation of potential V with distance r from dixed point is shown in Fig. The magnitude of electric field at, r = 2 cm (in volt/cm) is :

The variation of electric potential with distance from a fixed point is shown in figure. What is the value of electric field at x = 2m -

The variation of potential with distance x from a fixed point is shown in figure. Find the magnitude of the electric field (in V // m) at x=13 m .

Assertion: Electric potential on the surface of a charged sphere of radius R is V. Then electric field at distance r=R/2 from centre is V/(2R) . Charge is distributed uniformly over the volume. Reason: From centre to surface, electric field varies linearly with r. Here r is distance from centre.

The electric field in a region is directed outward and is proportional to the distance r from the origin, Taking the electric potential at origin to be zero,

The electric field in a region is directed outward and is proportional to the distance r from the origin. Taking the electric potential at the origin to be zero

Which one of the following graphs represents the variation of electric field with distance r from the centre of a charged spherical conductor of radius R?

ALLEN-TEST PAPER 3-PHYSICS
  1. A charge Q1 exerts some force on a second charge Q2. If a 3rd charge Q...

    Text Solution

    |

  2. Two particles A and B having equal charges are placed at distance d ap...

    Text Solution

    |

  3. An infinite number of charges, each of magnitude q, are placed along x...

    Text Solution

    |

  4. Two pitch balls carrying equal charges are suspended from a common poi...

    Text Solution

    |

  5. Two spheres A and B are charged with the charges of +10 and +20 coulom...

    Text Solution

    |

  6. The electric field due to a uniformly charged sphere is maximum at :

    Text Solution

    |

  7. Charges q, 2q,3q and 4q are placed at the corners A,B,C and D of a squ...

    Text Solution

    |

  8. A charged oil drop is suspended in a uniform filed of 3xx10^4 v//m so ...

    Text Solution

    |

  9. The electric field at a distance (3R)/2 from the centre of a charged ...

    Text Solution

    |

  10. Four point +ve charges of same magnitude (Q) are placed at four corner...

    Text Solution

    |

  11. A thin semi-circular ring of radius r has a positive charge q distribu...

    Text Solution

    |

  12. Three positive charges of equal value q are placed vertices of an equi...

    Text Solution

    |

  13. A Gaussian surface in the fig. is shown by dotted line. The electric f...

    Text Solution

    |

  14. A charge Q is situated at the corner of a cube, the electric flux pass...

    Text Solution

    |

  15. A positively charged body 'A' has been brought near a neutral brass sp...

    Text Solution

    |

  16. Inside a charged hollow spherical conductor. the potential :-

    Text Solution

    |

  17. Equal charges q are placed at the three corners B, C, D of a square A...

    Text Solution

    |

  18. Charges are placed on the vertices of a square as shown. Let E r be th...

    Text Solution

    |

  19. The variation of potential with distance r from a fixed point is shown...

    Text Solution

    |

  20. Three charges Q, +q and +q are placed at the vertices of a right-angle...

    Text Solution

    |