Home
Class 12
PHYSICS
The resistance of a galvanometer is 25 ...

The resistance of a galvanometer is 25 ohm and it requires `50muA` for full deflection. The value of the shunt resistance required to convert it into an ammeter of 5 amp is

A

`2.5 xx 10^(-4)` ohm

B

`1.25 xx 10^(-3)` ohm

C

`0.05` ohm

D

`2.5` ohm

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    ERRORLESS |Exercise Kirchhoff s Law, cells|8 Videos
  • CURRENT ELECTRICITY

    ERRORLESS |Exercise Different Measuring Instruments|1 Videos
  • COMMUNICATION SYSTEM

    ERRORLESS |Exercise S E T|14 Videos
  • ELECTRO MAGNETIC INDUCTION

    ERRORLESS |Exercise SET|20 Videos

Similar Questions

Explore conceptually related problems

The resistance of a moving coil galvanometer is 20Omega . It requires 0.01 A current for full - scale deflection. The value of resistance to convert it into a voltmeter of the range 20 V will be

The resistance of a galvanometer is 50 ohm and the current required to give full scale deflection is 100 muA . In order to convert it into an ammeter, reading upto 10 A , it is necessary to put a resistance of

The resistance of a galvanometer coil is R. What is the shunt resistance required to convert it into an ammeter of range 4 times

The resistance of a galvanometer coil is R . What is the shunt resistance required to convert it into an ammeter of range 4 times

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 has coil resistance of 99 Omega with its full deflection current 0.01A. Find the value ofshnnt resistance required to convert it into an ammeter of range 0.1 A .

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 of resistance 100Omega gives full deffection for a current 10^(-5) the value of shunt required to convert it into ammeter of range 1 ampere is:-

ERRORLESS -CURRENT ELECTRICITY-Self Evaluation Test -19
  1. The resistance of a galvanometer is 25 ohm and it requires 50muA for ...

    Text Solution

    |

  2. Figure 6.51 shows a simple a potentiometer circuit for measuring a sma...

    Text Solution

    |

  3. A car has a fresh storage battery of emf 12 V and internal resistance ...

    Text Solution

    |

  4. If the balance point is obtained at the 35th cm in a metre bridge the ...

    Text Solution

    |

  5. The equivalent resistance across the terminals of source of e.m.f. 24 ...

    Text Solution

    |

  6. In the circuit shown in figure, switch S is initially closed and S i...

    Text Solution

    |

  7. The figure here shows a portion of a circuit. What are the magnitude a...

    Text Solution

    |

  8. A carbon resistor has colour strips as violet, yellow brown and golden...

    Text Solution

    |

  9. A voltmeter of resistance 1000 Omega is connected across a resistance ...

    Text Solution

    |

  10. A beam contains 2 xx 10^(8) doubly charged positive ions per cubic cen...

    Text Solution

    |

  11. In the circuit shown, the reading of ammeter when switch S is open ...

    Text Solution

    |

  12. In the circuit as shown in figure the

    Text Solution

    |

  13. In figure shows a rectangular block with dimensions x , 2 x and 4 x ....

    Text Solution

    |

  14. A battery is connected to a uniform resistance wire AB and B is eart...

    Text Solution

    |

  15. A cylindrical metal wire of length l and cross sections area S , has...

    Text Solution

    |

  16. A potential divider is used to give outputs of 4 V and 8 V from a 12 V...

    Text Solution

    |

  17. Find equivalent resistance between A and B

    Text Solution

    |

  18. Following figures show four situations in which positive and negative ...

    Text Solution

    |

  19. A and B are two square plates of same metal and same thickness but len...

    Text Solution

    |

  20. A moving coil galvanometer is converted into an ammeter reads upto 0.0...

    Text Solution

    |

  21. Two conductors are made of the same material and have the same length....

    Text Solution

    |