Home
Class 12
PHYSICS
A 12pF capacitor is connected to a 50V b...

A 12pF capacitor is connected to a 50V battery. How much electrostatic energy stored in the capacitor?

Text Solution

Verified by Experts

`C=12pF, V=50V`
`E=1/2 CV^(2)=1/2 xx 12 xx 10^(-12) xx 50 xx 50`
`=150 xx 10^(-10) =1.5 xx 10^(-10) xx 10^(-8)J`
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NEW JOYTHI PUBLICATION|Exercise Practice Problems For Self Assessment|23 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NEW JOYTHI PUBLICATION|Exercise Evaluation Questions And Answers|41 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NEW JOYTHI PUBLICATION|Exercise Competitive Exam Corner|22 Videos

  • ELECTROMAGNETIC WAVES

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|16 Videos

  • MAGNETISM AND MATTER

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|13 Videos

Similar Questions

Explore conceptually related problems

The plates of a parallel plate capacitor have an area of 90 cm^(2) each and are separated by 2.5mm. The capacitor is charged by connecting it to a 400V supply. a. How much electrostatic energy is stored by the capacitor? b. View this energy as stored in hte electrostatic field between the plates, and obtain the energy per unit volume u. Hence arrive at a relation between u and the magnitude of electric field E between the plates.

A 900pF capacitor is charged by 100 V battery as in figure (a). How much electrostatic energy is stored by the capacitor? (b). The capacitor is disconnected from the battery and connected to another 900pF capacitor as in figure (b). What is the electrostatic energy stored by the system?

A capacitor of capacitor of capacitance 2.0muF is charge to a potential diffrence of 12V It is then connected of uncharged capacitor of capacitance 4.0muF as shown in figure . Find (a ) the charge on each of the two capacitors after the connection, (b ) the electrostatic energy stored in each of the two capacitors.

A 4muF capacitor is charged by a 200V supply. It is then disconnected from the supply and is connected to another uncharged 2muF capacitor. How much electrostatic energy of the first capacitor is lost in the form of heat and electrostatic radiation?

A capacitor of capacity 10 muF is subjected to charge by a battery of 10V. Calculate the energy stored in the capacitor.

An uncharged capacitor is connected to a battery. Show that half the energy supplied by the battery is lost as heat while charging the capacitor.

A capacitor having a capacitance of 100muF is charged to a potential difference of 24V . The charging battery is disconnected and the capacitor is connected to another battery of emf 12V with the positive plate of the capacitor joined with the positive terminal of the battery . (a ) Find the charges on the capacitor before and after the reconnection . (b ) Find the charge flown through the 12V battery . (c ) Is work done by the battery or is it done on the battery ? find its magnitude . (d ) Find the decrease in electrostatic field energy . (e ) Find the best developed during the flow of charge after reconnection.

The energy stored in a capacitor is given by

A 600pF capacitor is charged a 200V supply. It is then disconnnected from the supply and is connected to another uncharged 600pF capacitor. How much electro static energy is lost in the process.

NEW JOYTHI PUBLICATION-ELECTROSTATIC POTENTIAL AND CAPACITANCE-Solution To Exercises From Ncert Texation
  1. In a parallel plate capacitor with air between the plates, each plate ...

    Text Solution

    |

  2. Explain what would happen if in the capacitor gives in Exercise 8, a 3...

    Text Solution

    |

  3. A 12pF capacitor is connected to a 50V battery. How much electrostatic...

    Text Solution

    |

  4. A 600pF capacitor is charged a 200V supply. It is then disconnnected f...

    Text Solution

    |

  5. A charge of 8mC is located at the origin. Calculate the work done in t...

    Text Solution

    |

  6. A cube of side 'b' has a charge 'q' at each of its vertices. Determine...

    Text Solution

    |

  7. Two tiny spheres carrying charges 1.5mu and 2.5muC are located 30 cm a...

    Text Solution

    |

  8. A spherical conducting shell of inner radius r(1) and outer radius r(2...

    Text Solution

    |

  9. What is the electric field in between the plates of the capacitor, if ...

    Text Solution

    |

  10. A long charged cylinder of linear charge density lambda is surrounded ...

    Text Solution

    |

  11. The potential energy of a system increases, if work is done

    Text Solution

    |

  12. If one of the two electrons of a H(2) molecule is removed, we get a hy...

    Text Solution

    |

  13. Two charged conducting spheres of radii a and b are connected to each ...

    Text Solution

    |

  14. Two charges -q and +q are located at points (0,0,-a) and (0,0,a) respe...

    Text Solution

    |

  15. Figure shows a charge array known as an electric quadrupole. For a poi...

    Text Solution

    |

  16. An electrical technican requires a capacitance fo 2 muF in a circuit...

    Text Solution

    |

  17. What is the area of plates of 2F parallel capacitor, given that the se...

    Text Solution

    |

  18. Obtain the equivalent capacitance of the network in figure below. For ...

    Text Solution

    |

  19. The plates of a parallel plate capacitor have an area of 90 cm^(2) eac...

    Text Solution

    |

  20. A 4muF capacitor is charged by a 200V supply. It is then disconnected ...

    Text Solution

    |