Home
Class 12
PHYSICS
The Senstivity of a galvanometer is 60"d...

The Senstivity of a galvanometer is `60"div"//Ampere`. When a shunt is used, its sensitivity becomes `10"div"//Ampere`. If the resistance of the galvanometer is` 20 Omega`,then the value of the shunt used is

A

`2 Omega`

B

`4 Omega`

C

`5 Omega`

D

`8 Omega`

Text Solution

Verified by Experts

The correct Answer is:
C
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

The enstivity of a galvanometer is 60"div"//Ampere . When a shunt is used, its senstivity becomes 10"div"//Ampere . If the resistance of the galvanometer is 20 Omega ,then the value of the shunt used is

The sensitivity of a galvanometer is 60 divisions/Amp. When a shunt is used, its sensitivity becomes 10 divisions Amp. If the galvanometer is of resistance 20 Omega , the value of shunt used is:

A galvanometer has a sensitivity of 60 division/ampere. When a shunt is used its sentivity becomes 10 divisions/ampere. What is the value of shunt used if the resistance of the galvanometer is 20Omega ?

A galvanometer has a current sensitivity of 4 div/microampere. If the resistance of the galvanometer is 100 Omega , its voltage sensitivitiy will be

A galvanometer has a current sectivuty of 2 div/microampere . If the resistance of the galvanometer is 100Omega , its voltage senstivity will be

The current sensitivity of a galvanometer is x div/m A and voltage sensitivity is y div/V . The resistance of galvanometer is G. Then relation between x and y is

Current sensitivity of a galvanometer is x div/mm and voltage sensitivity is y div/m. If resistance of galvanometer is G then relation between x and y is

The sensitivity of a galvanometer that measures current is decreased by 1//40 times by using shunt ressitance of 10Omega . Then, value of resistance of the galvanometer is

The deflection in a moving coil galvanometer is reduced to half, when it is shunted with a resistance 40 Omega . The resistance of the galvanometer is

The sensitivity of a galvanometer of resistance 990Omega is increased by 10 times. The shunt used is

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

    |