Home
Class 12
PHYSICS
What is the function of second plate in ...

What is the function of second plate in parallel - plate capacitor?

Text Solution

Verified by Experts

It lowers the potential of the first plate so that more charge can be stored on the capacitor.
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    PATHFINDER|Exercise QUESTION BANK|30 Videos

  • ELECTROSTATICS-I, II AND III

    PATHFINDER|Exercise QUESTION BANK|290 Videos

Similar Questions

Explore conceptually related problems

Show that the force on each plate of a parallel plate capacitor has a magnitude equal to 1/2QE, where Q is the charge on the capacitor and E is the magnitude of electric field between the plates.

Show that the force on each plate of a parallel plate capacitor has a magnitude equal to (1/2)QE, where Q is the charge on the capacitor, and E is the magnitude of electric field between the plates. Explain the origin of the factor 1/2

Find the capacitance of a parallel plate capacitor.

What will be the effect on the capacity of a parallel plate capacitor when the area of each plate is doubled and the distance between them is also doubled?

The separation between the two of an isolated charged parallel plate air capacitor is d. The capacitor stores an energy U. Now an insulating plate of thickness (d)/(2) , of dielectric constant k, and of area equal to that of the capacitor plates is introduced in the intermediate space. What will be energy stored in the capacitor?

The diameter of each of plate of a parallel plate air capacitor is 0.06 m. What should be the distance between its plates, so that its capacitance becomes equal to that of a sphere of diameter 0.1 m?

The separation between the two plates of a parallel plate capacitor is d. A metal plate of equal area and of thickness (d)/(2) is inserted between the two plates. The ratio of the capacitances after and before this insertion is

PATHFINDER-ELECTROSTATIC POTENTIAL AND CAPACITANCE-QUESTION BANK
  1. Define SI unit of capacitance.

    Text Solution

    |

  2. What is the work done in moving a test charge q through a distance of ...

    Text Solution

    |

  3. What is the function of second plate in parallel - plate capacitor?

    Text Solution

    |

  4. Will a dielectric-filled capacitor store more charge or less charge th...

    Text Solution

    |

  5. How is dielectric constant expressed in terms of capacitance?

    Text Solution

    |

  6. Two copper spheres of equal radii, one hollow and the other solid are ...

    Text Solution

    |

  7. Can there be a potential difference between two close conductors of th...

    Text Solution

    |

  8. What is the dielectric constant of a metal? Give reason.

    Text Solution

    |

  9. A uniform electric field exists between the two charged plates as show...

    Text Solution

    |

  10. Two charges -q and +q are located at point A(0, 0, -a) and B(0, 0, +a)...

    Text Solution

    |

  11. You are given an air filled parallel plate capacitor C1. The space bet...

    Text Solution

    |

  12. Two conductors are given equal amount of like charges. Can there be an...

    Text Solution

    |

  13. Can a capacitor be charged to any potential of high value? Explain.

    Text Solution

    |

  14. A metal wire is bent into a circle of radius 10 cm. It is given a char...

    Text Solution

    |

  15. Two point charges +10muC and -10muC are separated by a distance of 40 ...

    Text Solution

    |

  16. Calculate the voltage needed to balance on oil drop carrying 10 electr...

    Text Solution

    |

  17. A point charge q is placed at O as shown below. Is VA-VB positive, neg...

    Text Solution

    |

  18. An isolated conducting sphere of radius r is given a charge +Q. This c...

    Text Solution

    |

  19. Two electrons are moving towards each other with a velocity of 10^6m/s...

    Text Solution

    |

  20. A charge of 20xx10^(-9)C is placed at a point. What work will be requi...

    Text Solution

    |