Home
Class 12
PHYSICS
Dynamo which produces electricity , is s...

Dynamo which produces electricity , is source of :

A

gravity

B

magnetism

C

e.m.f

D

electrolysis

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT

    VMC MODULES ENGLISH|Exercise IMPECCABLE|52 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT

    VMC MODULES ENGLISH|Exercise ENABLE|50 Videos

  • ELECTROMAGNETIC INDUCTION & ALTERNATING CURRENT

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-G|10 Videos

  • ELECTROSTATICS

    VMC MODULES ENGLISH|Exercise JEE Advanced (Archive)|89 Videos

Similar Questions

Explore conceptually related problems

Name two sources of electricity.

In a torch, the source of electricity is :

Nuclear power plants use the nuclear fission reaction to produce electricity. What is the advantage of producing electricity by fusion reaction ?

A Point charge produces an electric field in room. What is its direction?

which of the following is source of litmus?

The brightnes producing capacity of a source

The common lead storage battery produces electricity by two hall cell reactions, one of which is (written in the direction of production of electricity )

Certain crystals produce electric signals on application of pressure .This phenomenon is called

A marine cartilaginous fish that can produce electric current is

Assertion A point charge produces a uniform electric field. Reason Due to a point charge, electric lines of forces are parallel and equidistant.

VMC MODULES ENGLISH-ELECTROMAGNETIC INDUCTION & ALTERNATIVE CURRENT -EFFICIENT
  1. In an inductor of self-inductance L=2mH, current changes with time acc...

    Text Solution

    |

  2. The energy density in magnetic field B is proportional to

    Text Solution

    |

  3. Dynamo which produces electricity , is source of :

    Text Solution

    |

  4. An air core coil and an electric bulb are connected in series with an ...

    Text Solution

    |

  5. When two co-axial coils having same current in same direction are brin...

    Text Solution

    |

  6. Faraday law represents :

    Text Solution

    |

  7. Which type of loses do not occur in transformer :

    Text Solution

    |

  8. For given arrangement ( in horizontal plane ) the possible direction ...

    Text Solution

    |

  9. The efficiency of transfomer is very high because

    Text Solution

    |

  10. We can reduce eddy currents in the core of transformer

    Text Solution

    |

  11. A conducting square loop of side l and resistance R moves in its plane...

    Text Solution

    |

  12. Energy is stored in the choke coil in the form of

    Text Solution

    |

  13. A magnet is dropped dwon an infinitely long vertical copper tube,

    Text Solution

    |

  14. The coefficient of mutual inductance when magnetic flux change by 2xx1...

    Text Solution

    |

  15. Inductance of a solenoid is 3H and it consist of 500 truns . If num...

    Text Solution

    |

  16. A metal disc of radius R rotates with an angular velcoity omega about ...

    Text Solution

    |

  17. Primary winding and secondary winding of a transformer has 100 and...

    Text Solution

    |

  18. A coil of 10^(-2) H inductance carries a current I = 2sin (100t) A ...

    Text Solution

    |

  19. An e.m.f. of 12 "volts" is induced in a given coil when the current in...

    Text Solution

    |

  20. An electron moves along the line AB which lies in the same plane as a ...

    Text Solution

    |