Home
Class 12
PHYSICS
3 charges are placed in a circle of radi...

3 charges are placed in a circle of radius `d` as shown in figure. Find the electric field along x-axis at centre of circle.

A

`(3sqrt3q)/(4piin_(0)d^(2))`

B

`(4sqrt3q)/(piin_(0)d^(2))`

C

`(2sqrt3q)/(piin_(0)d^(2))`

D

`(sqrt3q)/(piin_(0)d^(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS SECTION B|30 Videos

Similar Questions

Explore conceptually related problems

Three semi-infinite rods uniformly charged out of which one is negatively charged and other two are positively charged are kept perpendicular to plane of paper outward such that the finite ends of the rods are located at points A, B and C on a circle of radius R as shown in figure. The net electric field at centre of circle O is :

A part of a long wire carrying a current i is bent into a circle of radius r as shown in figure. The net magnetic field at the centre O of the circular loop is

An electron makes ( 3 xx 10^5) revolutions per second in a circle of radius 0.5 angstrom. Find the magnetic field B at the centre of the circle.

Four charges are arranged at the corners of a square as shown in the figure. The direction of electric field at the centre of the square is along

Charges are placed on the verticles of a as shown. Let vec(E) be the electric field and V the potential at the centre. If the charges on a and B are inercharged with those on D and C respectively, then-

Consider a uniform charged sphere of charge density r and radius R.If the cavity of radius R/2is made inside the sphere and the removed part is again placed near the charge distribution as shown in the figure. If the electric field at the centre of the cavity is (rho R)/(n varepsilon_(0) find n .

Charges are placed on the vertices of a square as shown Let vecE be the electric field and V the potential at the centre. If the charges on A and B are interchanged with those on D and C respectively, then

Charges are placed on the vertices of a square as shown. Let E r be the electric field and V the potential at the centre. If the charges on A and B are interchanged with those on D and C respectively, then :-

7.Consider a uniform charged sphere of charge density p and radius R.If the cavity of radius R/2is made inside the sphere and the removed part is again placed near the charge distribution as shown in the figure.If the electric field at the centre of the cavity is (rho R)/(n varepsilon_(0)) find n .

Three dipoles each of dipole moment of magnitude p are placed tangentially on a circle of radius R in its plae positioned at equal angle from each other as shown in the figure. Then the magnitude of electric field intensity at the centre of the circle will be :

JEE MAINS PREVIOUS YEAR-JEE MAIN-All Questions
  1. The dimension oFIGURE stooping potential V(0) in photoelectric eFIGURE...

    Text Solution

    |

  2. In FIGUREinding the electric FIGUREield using Gauses law the FIGUREorm...

    Text Solution

    |

  3. 3 charges are placed in a circle of radius d as shown in figure. Find ...

    Text Solution

    |

  4. There is a potentiometer wire of length 1200 cm and 60 mA current is f...

    Text Solution

    |

  5. At time t=0 magnetic FIGUREield oFIGURE 1000 Gauses is passing perpend...

    Text Solution

    |

  6. Consider a solid sphere oFIGURE radius R and mass density rho(r)=rho(0...

    Text Solution

    |

  7. EFIGUREFIGUREective capacitance oFIGURE parallel combination oFIGURE t...

    Text Solution

    |

  8. Consider two solid sphere oFIGURE radii R(1)=1m, R(2)=2m and masses M(...

    Text Solution

    |

  9. Consider the uniFIGUREorm rod oFIGURE mass M=4m and length l pivoted a...

    Text Solution

    |

  10. An open organ pipe of length 1m contains a gas whose density is twice ...

    Text Solution

    |

  11. A point object in air is in FIGUREront oFIGURE the curved surFIGUREace...

    Text Solution

    |

  12. A particle is moving along the x-axis with its cordinate with time 't'...

    Text Solution

    |

  13. Four resistors of 15ohm, 12ohm, 4ohm and 10ohm given in cyclic order t...

    Text Solution

    |

  14. A body A, of m=0.1 kg has a initial velocity of 3hatikms^(-1). It coll...

    Text Solution

    |

  15. Tow liquids of desities rho(1) and rho(2)(rho(2) = 2rho(1)) are fil...

    Text Solution

    |

  16. A charge particle of mass m and charge q is released from rest in unif...

    Text Solution

    |

  17. A unifrom sphere of mass 500 g rolls without slipping on a plants ...

    Text Solution

    |

  18. In a Young's double slit experiment , the path difference at a certain...

    Text Solution

    |

  19. An electron (mass m ) with initival velocity vecv = v(0) hati + v(0) h...

    Text Solution

    |

  20. A uniform solid sphere of radius R has a cavity of radius 1m cut from ...

    Text Solution

    |