Home
Class 12
PHYSICS
A non-conducting ring of radius 0.5 m ca...

A non-conducting ring of radius `0.5 m` carries a total charge of `1.11xx10^(-10)`C distributed non-uniformly on its circumference producing an electric field E everywhere is space. The value of the integral `int_(l=oo)^(l=0)-E.dI (l=0` being centre of the ring) in volt is

A

`+2`

B

`-1`

C

`-2`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
1
`V_(o)=K(q)/(K) ,V_(oo)=0 int_(t=oo)^(t=0)-vec(E).vec(dl)=V_(o)-V_(oo)`
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level III (C.W)|55 Videos

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level 1|8 Videos

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level 1(C.W)|24 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NARAYNA|Exercise ADDITIONAL PROBLEMS|14 Videos

  • EXPERIMENTAL PHYSICS

    NARAYNA|Exercise Comprehension type|6 Videos

Similar Questions

Explore conceptually related problems

A ring of radius 0.5 m carries a total charge of 1.0xx 10^(-10)C distributed non uniformly on its circum Ference, producting an electric field vecE . The value of int_(r = oo)^(r = 0) -vecE.vecd r (r = 0 being the centre of the ring)is

A conducting ring of radius 40 cm has a charge of 5 xx 10^(-9) C uniformly distributed over it. Calculate the electric field intensity at a point P, 40 cm away from the centre on the axis of the ring.

A charge of 4xx10^(-9)C is distributed uniformly over the circumference of a conducting ring of radius 0.3m. Calculate the field intensity at a point on the axis of the ring at 0.4m from its centre, and also at the centre.

Semicircular ring of radius 0.5 m is uniformly charged with a total charge of 1.4 xx 10^(-9) C . The electric field intensity at centre of this ring is :-

A semicircular ring of radius 0.5 m is uniformly charged with a total charge of 1.5 xx 10^(-9) coul. The electric potential at the centre of this ring is :

A non - conducting ring of mass m = 4 kg and radius R = 10 cm has charge Q = 2 C uniformly distributed over its circumference. The ring is placed on a rough horizontal surface such that the plane of the ring is parallel to the surface. A vertical magnetic field B=4t^(3)T is switched on at t = 0. At t = 5 s ring starts to rotate about the vertical axis through the centre. The coefficient of friction between the ring and the surface is found to be (k)/(24) . Then the value of k is

A non-conducting ring of mass m and radius R has a charge Q uniformly distributed over its circumference. The ring is placed on a rough horizontal surface such that plane of the ring is parallel to the surface. A vertical magnetic field B = B_0t^2 tesla is switched on. After 2 a from switching on the magnetic field the ring is just about to rotate about vertical axis through its centre. (a) Find friction coefficient mu between the ring and the surface. (b) If magnetic field is switched off after 4 s , then find the angle rotated by the ring before coming to stop after switching off the magnetic field.

A charge q=10muC is distributed uniformly over the circumference of a ring of radius 3m placed on x-y placed with its centre art origin. Find the electric potential at a point P(0,0,4m)

NARAYNA-ELECTROSTATICS AND GAUSS LAW-Level II(C.W)
  1. A particle A having a charge of 2.0xx 10^(-6) C and a mass of 100 g i...

    Text Solution

    |

  2. Two identical particles of charge q each are connected by a masless sp...

    Text Solution

    |

  3. In a figure shown the electric field intenisity at r=1,r=6m,r=9m and V...

    Text Solution

    |

  4. Point charge of 3xx10^(-9)C are situated at each of three corners of a...

    Text Solution

    |

  5. A large flat metal surface has a uniform charge density +sigma. An ele...

    Text Solution

    |

  6. n charges Q,4Q,9Q,16Q…. are placed at distance of 1,2,3….. metre form ...

    Text Solution

    |

  7. Two point charge q(1)=2muC and q(2)=1muC are placed at distance b=1 an...

    Text Solution

    |

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

    Text Solution

    |

  9. Three charge -q,+q and -q are kept at the veticles of an equllateral t...

    Text Solution

    |

  10. Two charge each Q are released when the distance between is d .Then th...

    Text Solution

    |

  11. An oil drop carrying charge Q is held in equilibrium by a potential di...

    Text Solution

    |

  12. A body of mass one gram and carrying a charge 10^(-8)C passes through ...

    Text Solution

    |

  13. Three charges each20muC are placed at the corners of an equilateral tr...

    Text Solution

    |

  14. An electric field is expresed as vec(E)=2hat(i)+3hat(j) The potential ...

    Text Solution

    |

  15. (Figure 3.139) shows three circular arcs, each of radius R and total c...

    Text Solution

    |

  16. Two identies conducting very large plates P(1) and P(2) having charges...

    Text Solution

    |

  17. An electric dipole cosnists of two opposite charges of magnitude 1muC ...

    Text Solution

    |

  18. An electric dipole is formed two particles fixed at the ends of a ligh...

    Text Solution

    |

  19. Two point charges -q and +q are located at points (0,0-a) and (0,0,a) ...

    Text Solution

    |

  20. Two equal charges q of opposite sign are separated by a small distance...

    Text Solution

    |