Home
Class 12
PHYSICS
The energy stored in an inductor of self...

The energy stored in an inductor of self inductance L carrying current l, is given by

A

`Ll^(2)`

B

`-Ll^(2)`

C

`(1)/(2)Ll^(2)`

D

`-(1)/(2)Ll^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION - B)|8 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise Assignment (SECTION - C)|4 Videos

  • ELECTROMAGNETIC INDUCTION

    AAKASH INSTITUTE|Exercise Try Yourself|41 Videos

  • ELECTRIC CHARGES AND FIELDS

    AAKASH INSTITUTE|Exercise SECTION -J(Aakash Challengers Questions)|5 Videos

  • ELECTROMAGNETIC WAVES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION - D Assertion-Reason Type Questions|25 Videos

Similar Questions

Explore conceptually related problems

The energy stored in an inductor of self-inductance L henry carrying a current of I ampere is

In what form is the energy stored in an inductor or A coil of inductance L is carrying a steady current i . What is the nature of its stored energy

Obtain the expression for the magnetic energy stored in an ideal inductor of self inductance L when a current I passes through it. Hence obtain the expression for the energy density of magentic field produced in the inductor.

Energy stored in a coil of self inductance 40 mH carrying a steady current of 2 A is

Calculate the energy stored in an inductor of inductance 50 mH when a current of 2.0 A is passed through it.

The energy stored in a 50 mH inductor carrying a current of 4 A will be

The inductive reactance of an inductor of inductance L is

AAKASH INSTITUTE-ELECTROMAGNETIC INDUCTION-Assignment (SECTION - A)
  1. The equivalent quantity of mass in electricity is

    Text Solution

    |

  2. Dimensional formula of self-inductance is

    Text Solution

    |

  3. A time varying magnetic flux passing through a coil is given by phi=xt...

    Text Solution

    |

  4. A metalic ring is dropped down, keeping its plane perpendicular to a c...

    Text Solution

    |

  5. Lights of a car become dim when the starter is opereterd. Why?

    Text Solution

    |

  6. Coefficient of coupling between two coils of self-inductances L(1) and...

    Text Solution

    |

  7. There is a uniform magnetic field directed perpendicular and into the ...

    Text Solution

    |

  8. A square loop of wire with side length 10 cm is placed at angle of 45^...

    Text Solution

    |

  9. A uniformly wound solenoid coil of self inductance 1.8xx10^(-4)H and r...

    Text Solution

    |

  10. The magnitude opf the earth's magnetic field at a place is B(0) and th...

    Text Solution

    |

  11. Two parallel rails of a railway track insulated from each other and wi...

    Text Solution

    |

  12. Answer the following questions : (a) When a low flying aircraft pass...

    Text Solution

    |

  13. Electric field induced by changing magnetic fields are

    Text Solution

    |

  14. A circular loop of radius R, carrying current I, lies in x-y plane wit...

    Text Solution

    |

  15. A helicopter rises vertically upwards with a speed of 100 m//s. If the...

    Text Solution

    |

  16. The energy stored in an inductor of self inductance L carrying current...

    Text Solution

    |

  17. An electric motor runs a D.C. source of e.m.f. 200 V and draws a curre...

    Text Solution

    |

  18. Induction furnace is based on the heating effect of

    Text Solution

    |

  19. Two identical circular loops of metal wire are lying on a table withou...

    Text Solution

    |

  20. A short solenoid of length 4 cm, radius 2 cm and 100 turns is placed i...

    Text Solution

    |