Home
Class 12
PHYSICS
A galvanometer has resistance of 25 Omeg...

A galvanometer has resistance of `25 Omega` capacity to carry a maximum current of 25mA. How can it be used as ammeter to read the current upto 0.1 A?

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

A galvanometer whose resistance is 120 Omega gives full scale deflection with a curretn of 0.5 A so that it can read a maximum current of 10 A . A shunt resistance is added in parallel with it. The resistance of the ammeter so formed is

A Galvanometer has a resistance of 25 Omega and its full scale deflection current is 25 muA . What resistance should be added to it to have a range of 0 -10 V.

A milliammeter of resistance 5 ohm gives a full scale deflection for a current of 15 mA. If the mulliammeter is to be used to measure current upto 1.5 A, then the resistance that must be attached to the milliammeter is

A milliammeter has a resistance of 10 ohm and has a range of 0.25 mA. How will you convert it into a voltmeter to read voltage upto 25 volt?

A moving coil galvanometer has a resistance of 25Omega and goes a full scale deflection for a current of 10mA. How will you convert it into voltmeter having a range of 0.100V?

A galvanometer with a coil of resistance 40 ohm gives a full scale deflection for a current of 5 mA. How will you convert it into an ammeter of range 0-5 A ?

A galvanometer has a resistance of 100 Omega and its full scale deflection current is 100 mu A . What shunt resistance should be added so that the ammeter can have a range of 0 to 10 mA ?.

CHETANA PUBLICATION-Current Electricity-Exercise
  1. A skeleton tube is made of 12 wires each of resistance ROmega is conne...

    Text Solution

    |

  2. A skeleton tube is made of 12 wires each of resistance ROmega is conne...

    Text Solution

    |

  3. A galvanometer has resistance of 25 Omega capacity to carry a maximum ...

    Text Solution

    |

  4. At what point the null point be obtained in meterbridge experiment whe...

    Text Solution

    |

  5. The potentiometer wire has length 10m and resistance 10Omega, if the c...

    Text Solution

    |

  6. The potentiometer wire has length 10m and resistance 10Omega, if the c...

    Text Solution

    |

  7. When a resister of 10Omega is connected across a cell, its terminal po...

    Text Solution

    |

  8. Two cells having unknown emfs E1 and E2 (E1 > E2) are connected in pot...

    Text Solution

    |

  9. A potentiometer wire has a length of 2m and resistance 10Omega. It is ...

    Text Solution

    |

  10. Four resistance 4,4,4 and 12Omega form a Wheatstone’s network. Find th...

    Text Solution

    |

  11. Two resistance x and y in the two gaps of a meter bridge give a null p...

    Text Solution

    |

  12. Three cells are connected in parallel with their like poles connected ...

    Text Solution

    |

  13. The unknown resistance is placed in a left gap and a resistance of 50 ...

    Text Solution

    |

  14. In a meter bridge experiment, the unknown resistance X in the left gap...

    Text Solution

    |

  15. Select and wrote only the correct answer in words alongwith the alphab...

    Text Solution

    |

  16. When the balance point is obtained in the potentiometer, a current is ...

    Text Solution

    |

  17. In the following circuit diagram , an infinite series of resistance is...

    Text Solution

    |

  18. Four resistances 10 Omega, 10 Omega, 10 Omega and 15 Omega form a Whea...

    Text Solution

    |

  19. A circular loop has a resistance of 40 Omega. Two points P and Q of th...

    Text Solution

    |

  20. To find the resistance of a gold bangle, two diametrically opposite po...

    Text Solution

    |