Home
Class 12
PHYSICS
A galvanometer has resistance 500 ohm. I...

A galvanometer has resistance `500 ohm`. It is shunted so that its senstivity decreases by 100 times. Find the shunt resistance.

Text Solution

Verified by Experts

Sensitivity `prop (1)/("range") therefore n = 100`
` S = (G)/(n-1) = (500)/(100 - 1) = 500/99 Omega rArr S = 5.05 Omega `
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise C.U.Q (AMPERE.S CIRCUITAL LAW MAGNETIC FIELD DUE TO STRAIGHT CONDUCTOR )|28 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise C.U.Q (TANGENT GALVANOMETER)|8 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise Level -II (H.W)|37 Videos

  • MAGNETISM AND MATTER

    NARAYNA|Exercise EXERCISE - 4 (SINGLE ANSWER TYPE QUESTION)|17 Videos

  • NUCLEAR PHYSICS

    NARAYNA|Exercise LEVEL-II-(H.W)|9 Videos

Similar Questions

Explore conceptually related problems

A galvanometer has a resistance of 400Omega . The value of shunt so that its sensitivity is to be reduced by 1//50 times

A galvanometer of resistance 100ohms is shunted so that only 1//11 of the main current flows through the galvanometer. The resistance of the shunt is

A galvanometer coil has a resistance of 10A and the meter shows full scale deflection for a current of 1mA. The shunt resistance required to convert the galvanometer into an ammeter of range 0-100mA is about

A galvanometer of resistance 15 ohm gives full scale deflection for a current of 2 mA. Calculate the shunt resistance needed to convert it into an ammeter of range 0 to 5 A

A galvanometer having a resistance of 8 ohm is shunted by a wire of resistance 2 ohm . If the total current is 1 amp , the part of it passing through the shunt will be

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

A galvanometer of resistance 20Omega is to be shunted so that only 1% of the current passes through it. Shunt connected is 99//20Omega

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 ?

To convert a 400 m V range galvanometer of resistance 20 Omega into a ammeter of 100 m A ranges , the required shunt resistance to be connected is

NARAYNA-MOVING CHARGES AND MAGNETISM-ILLUSTRATION
  1. A long straight conductor carrying a current of 2A is in parallel to a...

    Text Solution

    |

  2. Two long straight parallel current carrying conductors each of length ...

    Text Solution

    |

  3. Two parallel horizontal conductors are suspended by two light vertical...

    Text Solution

    |

  4. A conductor AB of length 10 cm at a distance of 10cm from an infinitel...

    Text Solution

    |

  5. Three long straight wires are connected parallel to each other across ...

    Text Solution

    |

  6. A circular loop of area 1 cm^(2) carrying a current of 10A is placed i...

    Text Solution

    |

  7. A metallic wire is folded to form a square loop a side 'a'. It carries...

    Text Solution

    |

  8. A flat insulating disc of radius 'a' carries an excess charge on its s...

    Text Solution

    |

  9. A loop, carring a current i, lying in the plane of the paper, is in th...

    Text Solution

    |

  10. The area of the coil in a moving coil galvanometer is 16 cm^2 and ha...

    Text Solution

    |

  11. A coil of area 100cm^(2) having 500 turns carries a current of 1mA . I...

    Text Solution

    |

  12. A galvanometer of resistance 95 Omega, shunted resistance of 5 Omega, ...

    Text Solution

    |

  13. A galvanometer of resistance 20Omega is shunted by a 2 Omega resistor....

    Text Solution

    |

  14. A galvanometer has resistance 500 ohm. It is shunted so that its senst...

    Text Solution

    |

  15. The resistance of galvanometer is 999Omega. A shunt of 1 Omega is conn...

    Text Solution

    |

  16. A galvanometer has a resistance of 98Omega. If 2% of the main current ...

    Text Solution

    |

  17. A maximum current point 0.5 mA can be passed through a galvanometer of...

    Text Solution

    |

  18. A galvanometer has a resistance of 100 Omega . A current of 10^(-3) A ...

    Text Solution

    |

  19. A galvanometer having 30 divisions has current sensitivity of 20 muA/ ...

    Text Solution

    |

  20. What is the value of the shunt that passes 10% of the main current thr...

    Text Solution

    |