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:
(CD)
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    ALLEN |Exercise EXERCISE-III|26 Videos

  • CURRENT ELECTRICITY

    ALLEN |Exercise EXERCISE-IV A|32 Videos

  • CIRCULAR MOTION

    ALLEN |Exercise EXERCISE (J-A)|6 Videos

  • GEOMETRICAL OPTICS

    ALLEN |Exercise subjective|14 Videos

Similar Questions

Explore conceptually related problems

Resistors with resistances 5 Omega, 10 Omega and 15 Omega are connected in parallel to each other. What will bc thc equivalent resistance of the circuit?

One electric cell (having emf of 2V & internal resistance of 0.1 Omega ) and other electric cell (having emf of 4V & internal resistance of 0.2 Omega ) are connected in parallel to each other. Then its equivalent emf will be _____ V.

Resistance of ammeter made by combination of 20Omega galvanometer and 2Omega shunt is ______

The resistance of a conducting wire is 10 Omega . If a battery of 1.5 V is connected to it, the electric current flowing through it will be ………………….. .

Three resistor 2 Omega , 4 Omega and 6 Omega are combined In parallel. What is the total resistance of the combination ?

The resistance of an ammeter is 13 Omega and its scale is graduated for a current upto 100 A . After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 A by this meter. The value of shunt resistance is

If range of an ammeter with resistance 5Omega is to be made double then _______

An electric lamp of 100 Omega , a toaster of resistance 50 Omega , and a water filter of resistance 500 Omega are connected in parallel to a 220 V source. What is the resistance of an electric iron connected to the same source that takes as much current as all three appliances and what is the current through it?

A coil of reactance 8 Omega and resistance 6 Omega is connected in DC circuit then the effective resistance of the circuit ….. Omega .

Two cells of voltage 10 V and 2 V and internal resistances 10 Omega and 5 Omega respectively, are connected in parallel with the positive end of 10V battery connected to negative pole of 2 V battery (figure). Find the effective voltage and effective resistance of the combination.

ALLEN -CURRENT ELECTRICITY-EX.II
  1. The resistance of an ammeter of range 5A is 1.8Omega A shunt of 0.2Ome...

    Text Solution

    |

  2. In the Bohr's model of hy drogen atom, the electron moves around the n...

    Text Solution

    |

  3. Lengths and cross-sectional areas of three copper wires are (l, A ), (...

    Text Solution

    |

  4. When a piece of aliminium wire of finite length is drawn through a ser...

    Text Solution

    |

  5. Every atom makes one free electron in copper. If 1.1 ampere current is...

    Text Solution

    |

  6. A metal wire of resistance R is cut into three equal pieces that are t...

    Text Solution

    |

  7. Two cells X and Y are connected to a resistance of 10Omega shown in th...

    Text Solution

    |

  8. Masses of 3 wires of same metal are in the ratio 1 : 2 : 3 and their l...

    Text Solution

    |

  9. As the temperature of a metallic resistor is increased,the product of ...

    Text Solution

    |

  10. What will b e the equivalent resistance b etween the A and D?

    Text Solution

    |

  11. In the arrangement of resistances shown in the circuit. The potential...

    Text Solution

    |

  12. It is observed in a potentiometer experiment that no current passes th...

    Text Solution

    |

  13. The resistance across P and Q in the given figure is

    Text Solution

    |

  14. When no current is passed through a conductor,

    Text Solution

    |

  15. A steady current flows in a metallic conductor of non-uniform cross-se...

    Text Solution

    |

  16. Internal resistance of a cell depends on

    Text Solution

    |

  17. The resistance of the circuit between A and B is:-

    Text Solution

    |

  18. The number of free electrons per 100 mm of ordinary copper wire is 2xx...

    Text Solution

    |

  19. The potential difference between the terminals of a cells is found to ...

    Text Solution

    |

  20. What is the reading of ammeter is adjoining circuit diagram.

    Text Solution

    |

  21. The following diagram shows the circuit for the comparision of e.m.f. ...

    Text Solution

    |