Home
Class 12
PHYSICS
A moving coil galvanometer of resistance...

A moving coil galvanometer of resistance `100Omega` is used as an ammeter using a resistance `0.1 Omega`. The maximum diflection current in the galvanometer is `100 muA`. Find the minimum current in the circuit so that the ammeter shows maximum deflection

A

`100.1 mA`

B

`1000.1 mA`

C

`10.01 mA`

D

`1.01 mA`

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

A galvanometer of resistance 36 Omega is changed into an ammeter by using a shunt of 4 Omega . The fraction f of total current passing through the galvanometer is

A galvanometer of resistance 50Omega is converted into an ammeter by connecting a low resistance (shunt) of value 1Omega in parallel to the galvanometer, S. If full - scale deflection current of the galvanometer is 10 mA, then the maximum current that can be measured by the ammeter is -

A galvanometer of resistance 100 Omega gives the full scale deflection for a current of 10 m A. If a resistance of 1 Omega is connected in parallel to the coil of the galvanometer , then maximum current that can be measured with the galvanometer will be

An ammeter consists of a galvanometer of a resistance 45 Omega shunted with a resistance of 3 Omega . If the current rating of that can be measured by the ammeter will be

The ratio of the shunt resistance and the resistance of a galvanometer is 1:499 . If the full scale deflection current of the galvanometer is 2mA , the range of the ammeter is

A galvanometer has resistance 100 Omega and it requires current 100 muA for full scale deflection. A resistor 0.1 Omega is connected to make it an ammeter. The smallest current required in the circuit to produce the full scale deflection is

A moving coil galvanometer has resistance 50 Omega and it indicates full deflection at 4 m A current. A voltmeter is made using this galvanometer and a 5k Omega resistance. The maximum voltmeter, will be close be :

In the circuit shown in figure. Ammeter A is a galvanometer of resistance 60Omega shunted with resistance 0*02Omega . What is the current recorded by ammeter?

ERRORLESS -CURRENT ELECTRICITY-Self Evaluation Test -19
  1. A moving coil galvanometer of resistance 100Omega is used as an ammete...

    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

    |