Home
Class 12
PHYSICS
Alternating current can be measured by...

Alternating current can be measured by

A

moving coil galvanometer

B

hot wire ammeter

C

tangent galvanometer

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    CP SINGH|Exercise EXERCISES|84 Videos

  • BOHR THEORY

    CP SINGH|Exercise Exercises|80 Videos

Similar Questions

Explore conceptually related problems

Alternating current can be measured with the help of

Alternating current can not be measured by D.C. Ammeter because

Alternating current can be produced by

Alternating currents can be produced by a

In a circuit, the value of the alternating current is measured by hot wire ammeter as 10 ammeter. Its peak value will be

An alternating current can be converted into direct current by a

Measuring current

CP SINGH-ALTERNATING CURRENT-EXERCISES
  1. A choke coil has.

    Text Solution

    |

  2. A choke coil is preferred to a resistance for reducing current in an a...

    Text Solution

    |

  3. An electric lamp which runs at 80 volt d.c. and consumes 10 ampere is ...

    Text Solution

    |

  4. In the circuit shown, R is a pure resistor, L is an inductor of neglig...

    Text Solution

    |

  5. A capacitor and an inductor are connected in parallel across an ac sou...

    Text Solution

    |

  6. In the given circuit the current drawn from the source is .

    Text Solution

    |

  7. An inductor of 10mH an a capacitor of 16mF are connected in the circui...

    Text Solution

    |

  8. The AC voltage across a resistance can be measured using

    Text Solution

    |

  9. Alternating current can be measured by

    Text Solution

    |

  10. Hot wire ammeters can be used for measuring

    Text Solution

    |

  11. In the given circuit, the AC source has (omega) = 100 rad//s. Consider...

    Text Solution

    |

  12. In a dc motor if E is the applied emf and e is the back emf then the e...

    Text Solution

    |

  13. Armature current in dc motor will be maximum when

    Text Solution

    |

  14. The armature of a dc motor has 20 Omega resistance It draws a currrent...

    Text Solution

    |

  15. In a step - down transformer the input voltage is 22kV and the output ...

    Text Solution

    |

  16. An ideal transformer is used to step up an alternating emf of 220V to ...

    Text Solution

    |

  17. in a transformer the number of rurns in the primary and secondary coil...

    Text Solution

    |

  18. in a step-up transformer, the turn ratio is 1:2 leclanche cell (e.m.f....

    Text Solution

    |

  19. Eddy currents are produced in a matterial when it is

    Text Solution

    |

  20. The core of any transformaer is laminated so as to

    Text Solution

    |