Home
Class 12
PHYSICS
The working of dynamo is based on princi...

The working of dynamo is based on principle of

A

electromagnetic induction

B

self induction

C

mutual induction

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
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

A dynamo

The working of rocket is based on the principle of ________________.

Sonometer is based on the principle of

SONAR is based on the principle of

ELISA is based on the principle of

NIKITA PUBLICATION-ELECTROMAGNETIC INDUCTION-MCQs
  1. Name the device which converts mechanical energy into electrical energ...

    Text Solution

    |

  2. In a simple circuit with resistance, phase between AC emf and AC curre...

    Text Solution

    |

  3. The working of dynamo is based on principle of

    Text Solution

    |

  4. A coil of cross-sectional area A having n turns is placed in uniform m...

    Text Solution

    |

  5. If the instantaneous current in a circuit is given by I=2 cos (omegat+...

    Text Solution

    |

  6. The frequency of ac mains in India is

    Text Solution

    |

  7. The peak value of alternating voltage is 423 V. its root mean square v...

    Text Solution

    |

  8. A generator produces a time varying voltage given by V=240 sin 120 t, ...

    Text Solution

    |

  9. The rms value of an ac of 50Hz is 10A. The time taken by an alternatin...

    Text Solution

    |

  10. Alternating current shows which of the following effects?

    Text Solution

    |

  11. Alternating current shows which of the following effects?

    Text Solution

    |

  12. An alternating emf, e=300 sin100pit volt, is applied to a pure resista...

    Text Solution

    |

  13. What would be the equation of sinusoidal voltage of amplitude 5V, freq...

    Text Solution

    |

  14. A coil of 50 turns, each of area 0.12 m^(2) is rotated at a constant s...

    Text Solution

    |

  15. The opposition offered by an inductance to flow of AC current through ...

    Text Solution

    |

  16. The opposition offered by capacitance to flow of A.C. current through ...

    Text Solution

    |

  17. The opposition offered by ohmic and non ohmic components is

    Text Solution

    |

  18. A ohm is S.I. unit of

    Text Solution

    |

  19. The inductive reactance of an inductor of inductance L is

    Text Solution

    |

  20. The capacitivie reactance of a condenser of capacitance C is

    Text Solution

    |