Home
Class 12
PHYSICS
(Attempt any nine of the following quest...

(Attempt any nine of the following questions) The capacity of a parallel plate capacitor with air is 18pF. When a dielectric material is inserted in the space between the plates, its capacity becomes 108. pF. Calculate the per mittivity of the material. What is the material?

Promotional Banner

Topper's Solved these Questions

  • ELECTRONIC DEVICES

    R G PUBLICATION|Exercise EXERCISE|119 Videos

  • MAGNETISM AND MATTER

    R G PUBLICATION|Exercise EXERCISE|87 Videos

Similar Questions

Explore conceptually related problems

A parallel plate capacitor has plate separation "d" and the area of each plate is "A". The space between the plates is completely filled with a dielectric of constantK. Derive the expression for the capacity of the parallel plate capacitor.

A parallel plate capacitor has a capacity of 6muF in air and 60muF , when dielectric medium is introduced. What is the dielectric constant of the medium.

R G PUBLICATION-H.S. Question papers of AHSEC,2019-Exercise
  1. (Attempt any ten of the following questions) Define one coulomb charge...

    Text Solution

    |

  2. (Attempt any ten of the following questions) Find the value of curren...

    Text Solution

    |

  3. State len's Law of electromagnetic induction. Establish that lenz's La...

    Text Solution

    |

  4. What is modulation index? If the maximum amplitude of an amplitude mod...

    Text Solution

    |

  5. Obtain an expression for drift velocity of an electron in a conductor.

    Text Solution

    |

  6. Establish the relation between the focal length (f) and radius of curv...

    Text Solution

    |

  7. (Attempt any nine of the following questions) There is an electric dip...

    Text Solution

    |

  8. (Attempt any nine of the following questions) The capacity of a parall...

    Text Solution

    |

  9. (Attempt any nine of the following questions)A current carrying soleno...

    Text Solution

    |

  10. (Attempt any nine of the following questions) Consider that the electr...

    Text Solution

    |

  11. Show that the total energy of an electro is E = -e^2/(8pi in0 r)

    Text Solution

    |

  12. (Attempt any nine of the following questions)Name the only gate which ...

    Text Solution

    |

  13. Two long straight thin conductors carrying currents I1 and I2 respect...

    Text Solution

    |

  14. A far sighted person has his near point 50 cm. Find the power of lens ...

    Text Solution

    |

  15. (Attempt any nine of the following questions) What are coherent source...

    Text Solution

    |

  16. Explain the source of solar energy with the help of proton-proton cycl...

    Text Solution

    |

  17. "The phenomenon of electro-magnetic induction has been technologically...

    Text Solution

    |

  18. (Attempt any three of the following questions) State Kirchhoff's (i) J...

    Text Solution

    |

  19. An a.c. source of e.m.f. Vmsinwt is connected with a circuit which con...

    Text Solution

    |

  20. For refraction at spherical surface establish the following relation. ...

    Text Solution

    |