Home
Class 12
PHYSICS
Two charged spherical conductors of radi...

Two charged spherical conductors of radii `R_(1) and R_(2)` are connected by a wire. Then the ratio of surface charge densitites of the spheres `sigma_(1)//sigma_(2)` is

A

`R_(1)/R_(2)`

B

`R_(2)/R_(1)`

C

`sqrt((R_(1))/(R_(2))`

D

`R_(1)^(2)/R_(2)^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    NEW JOYTHI PUBLICATION|Exercise Previous Year Questions|3 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|15 Videos

  • ELECTROMAGNETIC INDUCTION

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|13 Videos

Similar Questions

Explore conceptually related problems

Two charge d spherical conditioners of radii R_(1)&R_(2) when connented by a conducting wire acquire charge q_(1)&q_(2) respectively. Find the ratio of surface charge densities in terms of their radii.

Two charged conducting spheres of radii a and b are connected to each other by a wire. What is the ratio of electric fields at the surfaces of the two spheres? Use the result obtained to explain why charge density on the sharp and pointed ends of a conductor is higher than on its flatter portions.

Two isolated, charged coducting spheres of radii R_(1) and R_(2) produce the same electric field near their surfaces. The ratio of electric potentials on their surfaces is

Two concentric metallic spherical shell of radii R and 2R are given charges Q_(1) & Q_(2) respectively. The surface charge density on the outer surfaces of the shells are equal. Determine the ratio Q_(1)=Q_(2)

A charge Q is distributed over two concentric hollow spheres of radii r and R (R gt r), so that the surface charge densities are equal. The potential at the common centre is (1)/(4pi epsi_(0))" times"

Two cars having masses m_1 and m_2 move in circles of radii r_1 and r_2 respectively. If they complete the circle is equal time the ratio of their angular speeds is omega_1/omega_2 is

The inner and outer radii of a spherical capacitor are r_1 and r_2 respectively. When the inner surface is earthed . The outer sphere is given a charge +Q , then the charge on the inner surface is

NEW JOYTHI PUBLICATION-ELECTRIC CHARGES AND FIELDS -Competitive Exam Corner
  1. Two charged spherical conductors of radii R(1) and R(2) are connected ...

    Text Solution

    |

  2. A negatively charged oil drop is prevented from failing under gravity ...

    Text Solution

    |

  3. An electric dipole of moment p is placed in a uniform electric field E...

    Text Solution

    |

  4. Electric charge is uniformly distributed along a long straight wire of...

    Text Solution

    |

  5. A charged particle q is shot towards another charged particle Q which ...

    Text Solution

    |

  6. A dipole of electric dipole moment p is placed in a uniform electrie f...

    Text Solution

    |

  7. If q(1)+q(2)=q, then the value of the ratio q(1)/q, for which force be...

    Text Solution

    |

  8. The total electric flux emanating from a closed surface enclosing an a...

    Text Solution

    |

  9. The electric field between two infinitely charged plates with air medi...

    Text Solution

    |

  10. Two equal point charges each of 3 muC are separated by a certain dista...

    Text Solution

    |

  11. The electric field due to an infinitely long straight uniformly charge...

    Text Solution

    |

  12. When a comb rubbed with dry hair attracts pieces of paper. This is bec...

    Text Solution

    |

  13. If the electric flux entering and leaving a closed surface are 6 xx 10...

    Text Solution

    |

  14. The force of repulsion between two electrons at a certain distance is ...

    Text Solution

    |

  15. The electrostatic force between two point charges is directly proporti...

    Text Solution

    |

  16. The time period of revolution of a charge q1 and of mass m moving in a...

    Text Solution

    |

  17. An electric dipole of dipole moment vecp is placed in a uniform extern...

    Text Solution

    |

  18. Electric field at a point of distance from a uniformly charged wire of...

    Text Solution

    |

  19. An electric dipole of dipole moment vecp is placed in a uniform extern...

    Text Solution

    |

  20. An electron moving with uniform velocity enters a uniform electric fie...

    Text Solution

    |