Home
Class 12
PHYSICS
The self inductance of the coil of 100 t...

The self inductance of the coil of 100 turns, in which a current of 4A produces a flux of 40 Wb is

A

10 H

B

1 H

C

0.1 H

D

0.01 H

Text Solution

Verified by Experts

The correct Answer is:
A
`phi=LI " "thereforeL=(phi)/(I)=(40)/(4)=10H`
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY

    NIKITA PUBLICATION|Exercise MCQ|314 Videos

  • ELECTRONS AND PHOTONS

    NIKITA PUBLICATION|Exercise MCQs|162 Videos

Similar Questions

Explore conceptually related problems

What will be the self inductance of a coid of 100 turns if a current of 5 A produces a magnetic flux 5xx10^(-5) Wb?

Calculate the self-inductance of a coil of 100 turns, if a current of 2A gives rise to magnetic flux of 50muWb through the coil. Also calculate the magentic energy stored in the medium surrounding the coil for the above value of current.

Calculate the coefficient of self induction of a soleined of 500 turns when a current of 1.25 A produce a magnetic flux of one microweber. [Hint : See exerices 5]

The self inductane of coil of 400 turns is 8 mH. If current of 5 mA flows in it, then flux associated with the coil is

A coil of 100 turns with a current of 5A produce a magnetic flux of 1 mu Wb and each turn of the coil. The coefficeint of self induction is

The self inductance of a closely wound coils of 100 turns is 5 mH . What is the flux throught the coil when the current in it is 10 mA ? [Hint : See exerices 5]

the inductance of a closed-packed coil of 400 turns is 8mH . A current of 5mA is passed through it. The magnetic flux through each turn of the coil is

The self inductance of an inductance coil having 100 turns is 20 mH. Calculate the magnetic flux through the cross section of the coil corresponding to a current of 4 milliampere. Also, find the total flux

NIKITA PUBLICATION-ELECTROMAGNETIC INDUCTION-MCQs
  1. If the rate of change of current is 1A per second in one coil induces ...

    Text Solution

    |

  2. If the current increases from zero to 1A in 0.1 s in a coil of 5 mH th...

    Text Solution

    |

  3. The self inductance of the coil of 100 turns, in which a current of 4A...

    Text Solution

    |

  4. A current of 3A, in one coil, causes a flux in the second coil of 2000...

    Text Solution

    |

  5. A coil with air inside it has a self inductance of 0.05 H. A soft iro...

    Text Solution

    |

  6. A 100mH coil carries a current of 1 ampere. Energy stored in its magne...

    Text Solution

    |

  7. When a wheel with metal spokes 1.2 m long rotates in a magnetic field ...

    Text Solution

    |

  8. A choke coil has.

    Text Solution

    |

  9. AMPERE'S CIRCUITAL LAW

    Text Solution

    |

  10. The displacement current was first postulated by

    Text Solution

    |

  11. A current which comes into play in a region where the electric field i...

    Text Solution

    |

  12. The displacement current is

    Text Solution

    |

  13. Which one of the following equations represents the modified from of A...

    Text Solution

    |

  14. A magnetic field can be produced by

    Text Solution

    |

  15. the wave of electric and magnetic field both varying in space and time...

    Text Solution

    |

  16. A transformer is based on the principle of

    Text Solution

    |

  17. The core of a transformer is laminated to reduce

    Text Solution

    |

  18. The device that does not work on the principle of mutual induction is

    Text Solution

    |

  19. A transfomer is employed to

    Text Solution

    |

  20. What is increase in step-down transformer?

    Text Solution

    |