Home
Class 12
PHYSICS
A thin metal plate P is inserted between...

A thin metal plate `P` is inserted between the plates of a parallel-plate capacitor of capacitance `C` in such a way that its edges touch the two plates (figure 31-Q2).The capacitance now becomes.

A

2C

B

C/2

C

C and D are true

D

infinity

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • PRACTICE PAPPER

    NCERT FINGERTIPS|Exercise Practice Paper 2|50 Videos
  • NUCLEI

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

In a parallel plate capacitor, the capacitance

A dielectric slab is placed between the plates of a parallel plate capacitor. Its capacitance

If a thin metal foil of same area is placed between the two plates of a parallel plate capacitor of capacitance C, then new capacitance will be

Area of a parallel plate capacitor of capacitance 2F and separation between the plates 0.5cm will be

The force between the plates of a parallel plate capacitor of capacitance C and distance of separation of the plates d with a potential difference V between the plates, is.

To reduce the capacitance of parallel plate capacitor, the space between the plate is

The distance between the plates of a parallel plate condenser is d. If a copper plate of same area but thickness d/2 is placed between the plates then the new capacitance will become -

A sheet of copper is inserted in the air gap of a parallel plate capacitor, without touching any of the two plates of the capacitor. The capacitance of the capacitor is

NCERT FINGERTIPS-PRACTICE PAPPER-Practice Paper 3
  1. When a pentavalent imputrity is added in Ge crystal then, what type of...

    Text Solution

    |

  2. A thin metal plate P is inserted between the plates of a parallel-plat...

    Text Solution

    |

  3. A positively charged thin metal ring of radius R is fixed in the xy pl...

    Text Solution

    |

  4. A voltmeter having a resistance of 1800 Omega employed to measure the ...

    Text Solution

    |

  5. A microammeter has as resistance of 100 Omega and full scale range of ...

    Text Solution

    |

  6. A 100 W bulb B(1) and two 60 W bulbs B(2) and B(3), are connected to a...

    Text Solution

    |

  7. A short conducting rod P of length 3.0 cm is placed parallel to an nea...

    Text Solution

    |

  8. A rectangular loop carrying a current i is situated near a long strai...

    Text Solution

    |

  9. An electron and a proton enter a magnetic field at right angles to the...

    Text Solution

    |

  10. A gang capacitor is formed by interlocking a number of plates as shown...

    Text Solution

    |

  11. A galvanometer of resistance 25Omega is connected to a battery of 2 vo...

    Text Solution

    |

  12. A rectangular coil of 20 turns and area of cross-section 25 cm^(2) has...

    Text Solution

    |

  13. For perfectly coupled coils, the coupling coefficient should be equal ...

    Text Solution

    |

  14. A 200 muF capacitor in series with a 100 Omega resistance is connected...

    Text Solution

    |

  15. The efficiency of a transformer is 90%. The transformer is rated for o...

    Text Solution

    |

  16. In an experiment to find focal length of a concave mirror, a graph is ...

    Text Solution

    |

  17. In a reflecting astronomical telescope, if the objetcive (a spherical ...

    Text Solution

    |

  18. Which one of the following is a possible nuclear reaction ?

    Text Solution

    |

  19. A 5 W source emits monochromatic light of wavelength 5000 Å. When plac...

    Text Solution

    |

  20. Calculate in how many months , (3/4)^(th) of the substance will dacay,...

    Text Solution

    |