Home
Class 12
PHYSICS
Two charged metal spheres of radii R and...

Two charged metal spheres of radii R and 2R are temporarily placed in contact and then separated. At the surface of each, the ratio of electric field will be -

A

`1 : 1`

B

`1 : 2`

C

`2 : 1`

D

`1 : 4`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|13 Videos
  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise EXERCISE - 3|29 Videos

Similar Questions

Explore conceptually related problems

Two charged metallic spheres of radii r_(1) and r_(2) are touched and separated. Calculated the ration of their (i) Charges (ii) Potential (ii) Self energy (iv) Electric field at the surface (v) Surface cahrge density

Two isolated charged conducting spheres of radii a and b produce the same electric field near their surface. The ratio of electric potentials on their surfaces is

Two conducting spheres of radii r_(1) and r_(2) are charged to the same surface charge density . The ratio of electric field near their surface is

two metal spheres of radii R_(1) and R_(2) are charged to the same potential. The ratio of charges on the spheres is

Two charged spheres of radii R_(1) and R_(2) having equal surface charge density. The ratio of their potential is

Two isolated metallic spheres of radii 2 cm and 4 cm are given equal charge, then the ratio of charge density on the surfaces of the spheres will be

Two metallic spheres of radii R and 2 R are charged so that both of these have same surface charge density, sigma . If they are connected to each other with a conducting wire, in which direction will the charge flow and why ?

MOTION-ELECTROMAGNETISM-Exercise
  1. When an electric dipole P vecv is placed in a uniform electric field v...

    Text Solution

    |

  2. An electric dipole is placed along the x-axis at the origin O.A point ...

    Text Solution

    |

  3. Two charged metal spheres of radii R and 2R are temporarily placed in...

    Text Solution

    |

  4. Two parallel plate air filled capacitors each of capacitance C, are jo...

    Text Solution

    |

  5. A capacitor when filled with a dielectric K = 3 has charge Q(0), volta...

    Text Solution

    |

  6. Four condenser are joined as shown in the adjoining figure. The capac...

    Text Solution

    |

  7. In a parallel plate capacitor, the separation between the plates is 3m...

    Text Solution

    |

  8. Four metallic plates each with a surface area A of one side and placed...

    Text Solution

    |

  9. Two identical parallel plate air capacitors are connected in series to...

    Text Solution

    |

  10. A number of capacitors each of capacitance 1 muF and each one of whic...

    Text Solution

    |

  11. In the given circuit C1 = C, C2 = 2C, C3 = 3C. If charge at the capaci...

    Text Solution

    |

  12. A capacitor of 2 muF is charged to its maximum emf of 2V and is discha...

    Text Solution

    |

  13. A battery charges a parallel plate capacitor of thickness (d) so that ...

    Text Solution

    |

  14. Two spheres of radii R1 and R2 have equal charge are joint together w...

    Text Solution

    |

  15. Calculate the reading of voltmeter between X and Y then (V(x)-V(y)) is...

    Text Solution

    |

  16. A sheet of aluminium foil of negligible thickness is placed between th...

    Text Solution

    |

  17. In above problem if foil is connected to any one plate of capacitor by...

    Text Solution

    |

  18. A circuit is shown in the figure below. Find out the charge of the con...

    Text Solution

    |

  19. Three capacitors A , B and C are connected to a battery of 25volt as s...

    Text Solution

    |

  20. Four equal capacitors , each with a capacitance (C) are connected to a...

    Text Solution

    |