Home
Class 12
PHYSICS
The resistance of an ammeter of range 5A...

The resistance of an ammeter of range 5A is `1.8Omega` A shunt of `0.2Omega` is connected in parallel to it. When its indicator shows a current of 2A then what will be effective current?

Text Solution

Verified by Experts

The correct Answer is:
20A
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR MOTION

    ALLEN|Exercise EXERCISE (J-A)|6 Videos
  • GEOMETRICAL OPTICS

    ALLEN|Exercise subjective|14 Videos

Similar Questions

Explore conceptually related problems

The resistance of a galvanometer is 100Omega . A shunt of 5 Omega is connected to it to convert it into an ammeter. The internal resistance of the ammeter is

The resistance of galvanometer is 999Omega . A shunt of 1 Omega is connected to it.If the main current current is 10^(-2)A , what is the current flowing through the galvanometer .

The resistance of an ammeter having a range of 0 to 5 A is 1.8 Omega . It is shunted by a small resistance of 0.2 Omega . If the original dial and the scale indicating the current is not changed, then the effective current when its pointer indictaes 1.5 A will be

The ammeter shown in figure consists of a 480 Omega coil connected in parallel to 20 Omega shunt. Find the reading of the ammeter

If the galvanometer current is 10 mA, resistance of the galvanometer is 40 Omega and shunt of 2 Omega is connected to the galvanometer, the maximum current which can be measured by this ammeter is

A milliammeter of range of 10 mA gives full-scale deflection for a current of 100 mA , when a shunt of 0.1 Omega is connected in parallel to it. The coil of the milliammeter has a resistance of.

The ammeter shown in figure consists of a 480(omega) coil connected in parallel to a 20 (omega) shunt. Find the reading of the ammeter.

A current of 1 A is passed through two resistances 1Omega and 2Omega connected in parallel. The current flowing through 2Omega resistor will be

ALLEN-CURRENT ELECTRICITY-All Questions
  1. A galvanometer of resistance 100Omega gives full scale deflection for ...

    Text Solution

    |

  2. The resistance of a moving coil galvanometer is 20Omega. It requires 0...

    Text Solution

    |

  3. The resistance of an ammeter of range 5A is 1.8Omega A shunt of 0.2Ome...

    Text Solution

    |

  4. A galvanometer of resistance 100Omega gives full deffection for a curr...

    Text Solution

    |

  5. The pole piece of a horse shoe magnet are made cylindrical so that the...

    Text Solution

    |

  6. An ammeter is always connected is series in a circuit because........

    Text Solution

    |

  7. There is a definite potential difference between the two ends of a pot...

    Text Solution

    |

  8. Relation Between Drift Velocity And Current

    Text Solution

    |

  9. BALANCED WHEATSTONE BRIDGE

    Text Solution

    |

  10. A battery of epsilon and internal resistance r is used in a circuit wi...

    Text Solution

    |

  11. A nerve fibre contains a membrane separating two conducting fluids mai...

    Text Solution

    |

  12. Are the paths of free electrons straight lines between successive coll...

    Text Solution

    |

  13. Name the charge carriers in the following at room temperature : (i) Co...

    Text Solution

    |

  14. What is super conductivity ?

    Text Solution

    |

  15. Difference Between Potential Difference And Emf

    Text Solution

    |

  16. Can we produce high voltage on the human body without getting a shoc...

    Text Solution

    |

  17. A copper wire of length l and radius r is nickel plated till its final...

    Text Solution

    |

  18. When high power heater is used at homes all bulbs being used become di...

    Text Solution

    |

  19. Identical resistance of resistance R are connected as in figure then f...

    Text Solution

    |

  20. For the given network calculate current I and I(2).

    Text Solution

    |