Home
Class 12
PHYSICS
The deflection in moving coil galvanomet...

The deflection in moving coil galvanometer is reduced to half when it is shunted with `50Omega` resistance. The resistance of galvanometer is

A

`1.25Omega`

B

`25Omega`

C

`50Omega`

D

`100Omega`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • Current Electricity

    CHETANA PUBLICATION|Exercise Exercise|92 Videos

  • AC CIRCUITS

    CHETANA PUBLICATION|Exercise Exercise|122 Videos

  • Dual Nature of Radiation and Matter

    CHETANA PUBLICATION|Exercise EXERCISE|89 Videos

Similar Questions

Explore conceptually related problems

In an ammeter, 10% of the main current is passing through galvanometer, it the galvanometer is shunted with a 10 Omega resistance. What is the resistance of the galvanometer ?

To make the field radial in a moving coil galvanometer

What are the types of moving coil Galvanometer?

Kelvin's method of determination of resistance of galvanometer

In a moving coil galvanometer, a radial magnetic field is produced due to the

The deflection of galvanometer falls from 60 to 30, when 12 Omega shunt is connected across it. The galvanometer resistance is

State the principle of moving coil Galvanometer?

A galvanometer can withstand safely a maximum current of 5 mA. If is converted into voltmeter readding upto 20 V by connecting in series an external resistance of 3960 Omega . The resistance of galvanometer is

The combined resistance of a galvanometer of resistance 495 Omega and its shunt is 9.9 Omega . Find the shunt resistance.

In an ammeter, 4% of the main current is passing through the galvanometer. If shunt resistance is 5 Omega , then resistance of galvanometer will be

CHETANA PUBLICATION-Current Electricity-Exercise
  1. Which of the following statement is true?

    Text Solution

    |

  2. In the following circuit the value of resistance R

    Text Solution

    |

  3. The deflection in moving coil galvanometer is reduced to half when it ...

    Text Solution

    |

  4. If galvanometer is shunted by (1/n)^ th resistance, then the the frac...

    Text Solution

    |

  5. An ideal voltmeter has

    Text Solution

    |

  6. The resistance of a galvanometer is G. If S is the resistance used to ...

    Text Solution

    |

  7. A moving coil galvanometer of resistance G gives full scale deflection...

    Text Solution

    |

  8. The range of an ammeter can be increased by

    Text Solution

    |

  9. The range of a voltmeter can be increased by

    Text Solution

    |

  10. In the circuit given below, the equivalent resistance between point A ...

    Text Solution

    |

  11. In a Wheatstone's network, the resistance in cycle order are P = 10Ome...

    Text Solution

    |

  12. A lead resistance R is connected across a cell of emf E and internal r...

    Text Solution

    |

  13. In the following circuit the equivalent resistance between A and B is ...

    Text Solution

    |

  14. The material of wire of potentiometer is

    Text Solution

    |

  15. Length of potentiometer wire is 600 cm and a driving cell develop 6V p...

    Text Solution

    |

  16. The algebraic sum of current at junction in any electric circuit is eq...

    Text Solution

    |

  17. Which of the following instruments in generally used with a galvanomet...

    Text Solution

    |

  18. A Wheatstone's bridge ABCD is balanced with a galvanometer between the...

    Text Solution

    |

  19. The emf of a cell is E volt and internal resistance is r ohm. It resis...

    Text Solution

    |

  20. State the principle of potentiometer.

    Text Solution

    |