Home
Class 12
PHYSICS
A galvanometer has a current sensitivity...

A galvanometer has a current sensitivity of 5 divisions per milliampere and voltage sensitivity of 1 division per millivolt. The galvanometer has 30 divisions and it is to be used as an ammeter to read 6 A. This requires a shunt of value

A

`(5)/(999) Omega`

B

`(1)/(333) Omega`

C

`(1)/(111) Omega`

D

`(7)/(999) Omega`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|111 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos

  • KINETIC THEORY OF GASES AND RADIATION

    TARGET PUBLICATION|Exercise Evaluation test|18 Videos

  • MAGNETISM

    TARGET PUBLICATION|Exercise EVALUATION TEST|14 Videos

Similar Questions

Explore conceptually related problems

A moving coil galvanometer has a current sensitivity of xx div/ma and voltage senstivity of Y div/V. What is the resistance pf thr galvanometer?

A galvanometer has a current sensitivity of 5 div/m A and a voltage sensitivity of 2 div/m V . If the instrument has 30 divisions. How will you use it to measure a current of 3A?

A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10-divisions per milliampere and voltage sensitivity is 2 divisions per millivolt. In order that each division reads 1 volt, the resistance in ohms needed to be connected in series with the coil will be -

A galvanometer with a scale divided into 150 equal division has a senstivity of 10 divisions per milliampere and a voltage senstivity of 2 divisions per milivolt. What is the resistance of the galvanometer ?

A galvanometer has a sensitivity of 10 divisions per milli ampere. Its resistance is 50Omega . The shunt required to change its sensitivity to 2 divisions per milli ampere is

A galvanometer with a scale divided into 100 equal divisions has a current sensitivity of 10 divisions per mA and a voltage sensitivity of 2 divisions per mV. What adoptions are required to read (i) 5A for full scale and (ii) 1 division per volt?

A moving coil galvanometer has a voltage senstivity of I division per millivolt and current sentivity of 10 divisions per milliampere scale. What resistance should be connected in series with the galvanometer coil, so that it reads I volt per division?

TARGET PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-CRITICAL THINKING
  1. A galvanometer may be converted into an ammeter or a voltmeter. In whi...

    Text Solution

    |

  2. Voltmeters V(1) and V(2) are connected in series across a D.C. line V(...

    Text Solution

    |

  3. What is the relation between voltage sensitivity S(v) and the current ...

    Text Solution

    |

  4. The Senstivity of a galvanometer is 60"div"//Ampere. When a shunt is u...

    Text Solution

    |

  5. A moving coil galvanometer of resistance 5 Omega has voltage sensitivi...

    Text Solution

    |

  6. A galvanometer of resistance 95 Omega shunted by a resistance of 5 Ome...

    Text Solution

    |

  7. A moving coil galvanometer has 28 turns and area of coil is 4 xx 10^(-...

    Text Solution

    |

  8. The coil of galvanometer consists of 80 turns and effective area of 5 ...

    Text Solution

    |

  9. A galvanometer has a current sensitivity of 5 divisions per milliamper...

    Text Solution

    |

  10. If a shunt 1//10 of the coil resistance is applied to a moving coil ga...

    Text Solution

    |

  11. An alpha particle of positive charge +2e is compelled to rotate along ...

    Text Solution

    |

  12. A uniform magnetic field acts right angles to the direction of motion ...

    Text Solution

    |

  13. A cyclotron in which flux density is 1.4 T is employed to accelerate p...

    Text Solution

    |

  14. In a cyclotron, the time taken by ion to describe a semicircular path ...

    Text Solution

    |

  15. The maximum kinetic energy of protons in a cyclotron of radius 0.4 m i...

    Text Solution

    |

  16. The scale of galvanometer is divided into 150 equal divisions. The gal...

    Text Solution

    |

  17. The ratio of the magnetic field at the centre of a current carrying ci...

    Text Solution

    |

  18. Two infinite length wires carry currents 8A and 6A and are placed alon...

    Text Solution

    |

  19. In an ammeter, 4% of the main current is passing through the galvanome...

    Text Solution

    |

  20. Assertion : In a shunted galvanometer, only 10% current passes through...

    Text Solution

    |