Home
Class 12
PHYSICS
The current in a coil is changing from 1...

The current in a coil is changing from 10 A and 8 A in 0.01 second. The induced emf in the coil is 2 V. Calculate the self-inductance of the coil.

Promotional Banner

Topper's Solved these Questions

  • Sample Paper 6

    OSWAAL PUBLICATION|Exercise Exercise|40 Videos
  • Sample Paper 8

    OSWAAL PUBLICATION|Exercise Exercise|37 Videos

Similar Questions

Explore conceptually related problems

The current in a coil of 20 mH changes from 2.5 A to 3A to in 1/(100) second. Find the induced emf.

Current in a circuit falls from 5.0 A to 0.0 A in 0.1 s. If an average emf of 200 V induced, Calculate the self-inductance of the circuit.

Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100 V. The self inductance of the coil is

Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100 V. The self inductance of the coil is

Current in a coil changes from 4A to 0A in 0.1 s. If the average emf induced is 100 volts, what is the self inductance of the coil ?

Current in a coil falls from 5 A to 0 A in 0.1 s, calculate the induced emf in a coil if its self inductance is 4H.

The currrent in a coil changesfrom 1mA to 5 mA in 4 milliseconds. If the co-efficient of self-inductance of the coil is 10 mH the magnitude of the “self-induced” emf is

Current in a coil falls from 2.5a to 0.0a in 0.1 second inducing an emf of 200v.calculate the value of self inductance .

OSWAAL PUBLICATION-Sample Paper 7-Exercise
  1. What is (a) electric dipole moment , (b) dielectric strength ?

    Text Solution

    |

  2. What is (a) electric dipole moment , (b) dielectric strength ?

    Text Solution

    |

  3. The current in a coil is changing from 10 A and 8 A in 0.01 second. Th...

    Text Solution

    |

  4. Derive the expression for emf induced in a straight conductor moving p...

    Text Solution

    |

  5. State two conditions required for obtaining coherent sources. In Young...

    Text Solution

    |

  6. Derive an expression for potential energy of a system of two charges i...

    Text Solution

    |

  7. What is full wave rectification? Explain the working of a full wave re...

    Text Solution

    |

  8. With the help of necessary circuit diagram explain the working of a ph...

    Text Solution

    |

  9. Show that the force on each plate of a parallel plate capacitor has a ...

    Text Solution

    |

  10. Distinguish between .sky waves. and .space waves. modes of propagatio...

    Text Solution

    |

  11. Distinguish between .sky waves. and .space waves. modes of propagatio...

    Text Solution

    |

  12. Define half-life of a radioactive substance. Derive the expression for...

    Text Solution

    |

  13. A small compass needle of magnetic moment .m. is free to turn about an...

    Text Solution

    |

  14. A compass needle, free to turn in a vertical plane orients itself wit...

    Text Solution

    |

  15. A compass needle, free to turn in a vertical plane orients itself wit...

    Text Solution

    |

  16. What is drift velocity of free electrons ? Deduce I = n A eV(d) where ...

    Text Solution

    |

  17. A charged particle enters a region of uniform magnetic field with its ...

    Text Solution

    |

  18. A charged particle enters a region of uniform magnetic field with its ...

    Text Solution

    |

  19. The spectrum of a star in the visible and the ultraviolet region was o...

    Text Solution

    |

  20. Calculate the resonant frequency and Q-factor of a series L-C-R circui...

    Text Solution

    |