Home
Class 12
PHYSICS
In a galvanometer there is a deflection ...

In a galvanometer there is a deflection of one divisions per mA. The internal resistance of the galvanometer is `80Omega`. If a shunt of `2.5Omega` is connected to the galvanometer and there are 50 divisions in all, one the scale of the galvanometer, what maximum current can this galvanometer read?

Text Solution

Verified by Experts

The correct Answer is:
`1.65A`
Promotional Banner

Topper's Solved these Questions

  • ELECTRICAL INSTRUMENTS

    SL ARORA|Exercise Problem From competitive examinations|11 Videos
  • ELECTRIC POTENTIAL AND ELECTRIC FLUX

    SL ARORA|Exercise Problems for self practive|61 Videos
  • ELECTROMAGNETIC INDUCTION

    SL ARORA|Exercise All Questions|108 Videos

Similar Questions

Explore conceptually related problems

In a galvanometer there is a deflection of 10 divisions per 50 mA . The internal resistance of the galvanometer is 60Omega . If a shunt of 2*5Omega is connected to the galvanometer and there are 50 divisions in all on the scale of galvanometer what maximum current can this galvanometer read?

If the galvanometer current is 10 mA, resistance of the galvanometer is 40 Omega and shunt of 2 Omega is connected to the galvanometer, the maximum current which can be measured by this ammeter is

To measure the resistance of a galvanometer by half deflection method, a shunt is connected to the galvanometer . The shunt is

The resistance of galvanometer is 999Omega . A shunt of 1 Omega is connected to it.If the main current current is 10^(-2)A , what is the current flowing through the galvanometer .

In a galvanometer 5\% of the total current in the circuit passes through it. If the resistance of the galvanometer is G, the shunt resistance S connected to the galvanometer is

When a moving coil galvanometer is shunted with a resistance of 10 Omega ,the deflection in the galvanometer reduces from 30 divisions to 6 divisions. The resistance of the galvanometer is

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

In a galvanometer, 5% of the total current in the circuit passes through it. if the resistance of galvanometer is G, the shunt resistance S connected to galvanometer is

SL ARORA-ELECTRICAL INSTRUMENTS-Problem for self practice
  1. A galvanometer has a resistance of 15.0Omega and the meter shows full ...

    Text Solution

    |

  2. In galvanometer of resistance 20Omega gives a deflection of one divisi...

    Text Solution

    |

  3. In a galvanometer there is a deflection of one divisions per mA. The i...

    Text Solution

    |

  4. A galvanometer of resistanece 40Omega gives a deflection of 5 division...

    Text Solution

    |

  5. It is intended to measure a maximum current of 25 A with an ammeter of...

    Text Solution

    |

  6. A galvanometer has a resistance of 30Omega and a current of 2 mA is ne...

    Text Solution

    |

  7. A galvanometer has a resistance of 100Omega. A difference of potential...

    Text Solution

    |

  8. When a galvanometer having 20 divisions scale and 50Omega resistance i...

    Text Solution

    |

  9. A galvanometer has a sensitivity of 60 division/ampere. When a shunt i...

    Text Solution

    |

  10. A galvanometer of resistance 3663Omega gives full scale deflection for...

    Text Solution

    |

  11. A shunt of 6Omega is connected across a galvanometer of resistance 294...

    Text Solution

    |

  12. A galvanometer is shunted by 1/n th of its resistance. Find the fracti...

    Text Solution

    |

  13. If a galvanometer is connected in series with a high resistance so tha...

    Text Solution

    |

  14. A galvanometer has current sensitivity of 5 divisions/mA and a voltage...

    Text Solution

    |

  15. A 250muA meter has 50 divisions and it needs 250 mV for full scale def...

    Text Solution

    |

  16. It is required to pass only one-tenth of the main current through a ga...

    Text Solution

    |

  17. With a potentiometer, null points were obtained at 140 cm and 180 cm w...

    Text Solution

    |

  18. In a method for comparing emfs by a potentiometer a balance point is f...

    Text Solution

    |

  19. In a potentiometer with a cell of unknown emf the balance point was ob...

    Text Solution

    |

  20. A potentiometer having a wire 10 m long stretched on it, is connected ...

    Text Solution

    |