Home
Class 12
PHYSICS
A capacitor having a capacitance of 100 ...

A capacitor having a capacitance of `100 mu f` is changed to a potential difference of `50V.`(a) What is the magnitude of the charge on each plate? (b)The charging battery is disconnected and a dielectric of dielectric constant 2.5 is inserted . Calculate the new potential difference between the plate .(c) What charge would have produced this potential difference in absence of the dielectric slab.(d) Find the charge induced at a surface of the dielectric slab.

A

A. Equal and dissimilar

B

B. Greater and dissimilar

C

C. Lesser and dissimilar

D

D. Equal and similar

Text Solution

Verified by Experts

The correct Answer is:
3
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-B(OBJECTIVE TYPE QUESTION( ONLY ONE ANSWER)|12 Videos
  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE ENGLISH|Exercise SECTION-C ( OBJECECTIVE TYPE QUESTIONS)|2 Videos
  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE ENGLISH|Exercise TRY YOURSELF|33 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION-D)|10 Videos
  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT(SECTION -D) Assertion-Reason type Question)|15 Videos

Similar Questions

Explore conceptually related problems

A parallel plate capacitor having capacitance 12pF is charged bya battery to a potential difference of 10V between its plates. The charging battery is now disonnected and a porcelain slab of dielectric constant 6.5 is slipped between the plates. The work done by the capacitor on the slab is

A capacitor with plate separation d is charged to V volts. The battry is disconnected and a dielectric slab of thickness (d)/(2) and dlelectric constant '2' is inserted between the plates. The potential difference across its terminals becomes

In the arrangement shown, the battery is disconnected and a dielectric slab of dielectric constant K is insereted between the plates of capacitor with capacitance C, so as to completely fill the space. What is the final potential differnece across capacitor with capacitance 2C ?

An air capacitor is first charged through a battery. The charging battery is then removed and a electric slab of dielectric constant K=4 is inserted between the plates. Simultaneously, the distance between the plates is reduced to half, then find change, C, E, V and U .

The potential enery of a charged parallel plate capacitor is U_(0) . If a slab of dielectric constant K is inserted between the plates, then the new potential energy will be

The potential enery of a charged parallel plate capacitor is U_(0) . If a slab of dielectric constant K is inserted between the plates, then the new potential energy will be

A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an isulating handle. As a result the potential difference between the plates

A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an isulating handle. As a result the potential difference between the plates

A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an isulating handle. As a result the potential difference between the plates

A parallel plate condenser is connected to a battery of e.m.f. 4 volt. If a plate of dielectric constant inserted into it, then the potential difference on condenser will be

AAKASH INSTITUTE ENGLISH-ELECTRIC CHARGES AND FIELDS -ASSIGNMENT(SECTION-A) Objective Type Question
  1. A sure test of electification is

    Text Solution

    |

  2. When a soap bubble is charged :-

    Text Solution

    |

  3. A capacitor having a capacitance of 100 mu f is changed to a potential...

    Text Solution

    |

  4. When a glass rod rubbed with silk is brough near the knob of a positi...

    Text Solution

    |

  5. Which of the following is not the unit of charge ?

    Text Solution

    |

  6. The force between two electrons separated by a distance r is proportio...

    Text Solution

    |

  7. Coulomb's law for the force between electric charges most closely res...

    Text Solution

    |

  8. A charge q(1) exerts some force on a second charge q(2) If a third cha...

    Text Solution

    |

  9. There are two charges +1 mu C and-5 mu C under mutual coulombic inter...

    Text Solution

    |

  10. It two charges of 1 coulomb each are placed 1 km apart,then the force...

    Text Solution

    |

  11. Two point charges separated by a distance d repel each other with a f...

    Text Solution

    |

  12. Two particles having charge Q(1) and Q(2) , when kept at a certain dis...

    Text Solution

    |

  13. SI unit of permittivity of free space is

    Text Solution

    |

  14. When a charged rod is brought near small bits of paper, the small b...

    Text Solution

    |

  15. An electron and a proton are in uniform electic field. The ratio of th...

    Text Solution

    |

  16. Electric lines of force about negative point charge are

    Text Solution

    |

  17. A deuteron and an alpha-particle are placed in an electric field.The f...

    Text Solution

    |

  18. Charge 2Q and -Q are placed as shown in figure. The point at which ele...

    Text Solution

    |

  19. Two very small spheres A and B are charged with +10 and +20 coulomb re...

    Text Solution

    |

  20. Three eqal charges +Q each are at the corners of an equilibrium triang...

    Text Solution

    |