Home
Class 12
PHYSICS
The energy stored in a capacitor is give...

The energy stored in a capacitor is given by

A

qV

B

`(1)/(2)`qV

C

`(1)/(2)CV`

D

`(q)/(2C)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED ( II. FILL IN THE BLANKS)|34 Videos
  • ELECTROSTATICS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED ( III. MATCH THE FOLLOWING :)|4 Videos
  • ELECTROSTATICS

    FULL MARKS|Exercise EXERCISES|15 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    FULL MARKS|Exercise ADDITIONAL QUESTIONS -( ADDITIONAL NUMERICAL PROBLEMS : )|10 Videos
  • MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED - NUMERICAL PROBLEMS :|4 Videos

Similar Questions

Explore conceptually related problems

The energy stored in a capacitor of capacitance Chaving a charge Q under a potential V is

How des the energy stored in a capacitor change it after disconnecting the battery, the plates of a charged capacitor are moved faster.

How des the energy stored in a capacitor change it The battery remaining connected capacitance Calpha(1)/(d) , when plates of capacitor.

Find the energy stored in a capacitor of capacitance 100muF when it is charged to a potential difference of 20 V.

A capacitor of capacitor 5.00 muF is charged to 24.0 V and another capacitor of capacitance 6.0muF is charged to 12.0V (a) Find the energy stored in each capacitor .(b)The positive plates of the first capacitor is now connected to the negative plate of the second and vice versa . Find the new charges on the capacitors .(c)Find the loss of electrostatic energy during the process .(d)Where does this energy go?

If A 250V capacitors of C_(1)=2muF=2 xx 10^(-6)F" "C_(2)=5muF=5 xx 10^(-6)F then find charge and energy stored in each capacitor.

Consider the situation of the previous problem. Find the average electric field energy stored in the capacitor and the average magnetic field energy stored in the coil.

The graph shown here shows the variation of total energy (E) stored in a capacitor (c) itself. Which of the two is kept constant for this graph, whatever the charge an capacitor of the potential used to charge it?

A capacitor of capacitance C is connected to a battery of emf (epsilon) at t=0 through a resistance R. Find the maximum rate at which energy is stored in the capacitor. When does the rate has this maximum value?

FULL MARKS-ELECTROSTATICS -ADDITIONAL QUESTIONS SOLVED ( Multiple choice questions : )
  1. A particle of charge q is placed at rest in a uniform electric field E...

    Text Solution

    |

  2. Dielectric constant of metals is

    Text Solution

    |

  3. When a positively charged conductor is earth connected

    Text Solution

    |

  4. The SI unit of electric flux is

    Text Solution

    |

  5. Twenty seven water drops of the same size are charged to the same pote...

    Text Solution

    |

  6. A point charge +q is placed at the midpoint of a cube of side l. the e...

    Text Solution

    |

  7. Energy of a capacitor of capacitance C, when subjected to a pontential...

    Text Solution

    |

  8. The electric potential at the centre of a charged conductor is

    Text Solution

    |

  9. The energy stored in a capacitor is given by

    Text Solution

    |

  10. The unit of permitivity of free space epsilon(0) is

    Text Solution

    |

  11. An electric dipole has the magnitude of its charge as q and its dipole...

    Text Solution

    |

  12. An electric dipole of moment p is lying along a uniform electric field...

    Text Solution

    |

  13. A parallel plate capacitor is charged to a potential difference of V v...

    Text Solution

    |

  14. When air is replaced by a dielectric medium of constant K, the maximum...

    Text Solution

    |

  15. When a comb rubbed with dry hair attracts pieces of paper. This is bec...

    Text Solution

    |

  16. Which of the following is not a property of equipotential surfaces ?

    Text Solution

    |

  17. A charge Q is enclosed by a Gaussian spherical surface of radius R. if...

    Text Solution

    |

  18. If the electric field in a region is given by vec(E) = 5 hat(i) + 4 ha...

    Text Solution

    |

  19. A , B and C are three points in a uniform electric field. The electric...

    Text Solution

    |

  20. A conducting sphere of radius R is give a charge Q. The electric poten...

    Text Solution

    |