Home
Class 12
PHYSICS
You are given a low resistance R1, a hig...

You are given a low resistance `R_1`, a high resistance `R_2` and a moving coil galvanometer. Suggest how would you use these to have an instrument that will be able to measure current?

Promotional Banner

Topper's Solved these Questions

  • FORCE ON A CURRENT

    MODERN PUBLICATION|Exercise EXERCISE|105 Videos
  • FORCE ON A CHARGE

    MODERN PUBLICATION|Exercise EXERCISE|59 Videos
  • GAUSS' THEOREM

    MODERN PUBLICATION|Exercise EXERCISE|95 Videos

Similar Questions

Explore conceptually related problems

You are given a low resistance R_1 , a high resistance R_2 and a moving coil galvanometer. Suggest how would you use these to have an instrument that will be able to measure potential difference?

Resistance of a galvanometer is 25 ohm it can carry a current of 0.5 mA. How can it be used to measure a current of 0.5 A.

What do you mean by current sensitivity of a moving coil galvanometer and how it can be increased ?

How will you use potentiometer to determine internal resistances of a cell?

If the ammeter in the given circuit reads 2A, the resistance R is

What do you mean by current sensitivity of a moving coil galvanometer? On what factors does it depend?

you are given two circular loops. How would you orient the loops to have the largest mutual inductance?

You are given n-resistors each of resistance r. These are first connected to get minimum possible resistance. In second case again connected to the maximum possible resistance. Compare the ratio between the minimum and maximum value of resistance so obtained?

MODERN PUBLICATION-FORCE ON A CURRENT-EXERCISE
  1. You are given a low resistance R1, a high resistance R2 and a moving c...

    Text Solution

    |

  2. When is the force experienced by a current carrying conductor placed i...

    Text Solution

    |

  3. Find the force acting on a current carrying conductor placed in an uni...

    Text Solution

    |

  4. When is the force experienced by a current carrying conductor placed i...

    Text Solution

    |

  5. When is the force experienced by a current carrying conductor placed i...

    Text Solution

    |

  6. Derive an expression for the torque acting on a rectangular current ca...

    Text Solution

    |

  7. Write the expression for the magnitude of force per unit length betwee...

    Text Solution

    |

  8. Two parallel wires carrying currents in the same direction attract eac...

    Text Solution

    |

  9. Define an ampere in terms of the force between current carrying conduc...

    Text Solution

    |

  10. WHat is the direction of force between two parallel conductors carryin...

    Text Solution

    |

  11. Two long straight parallel conductors 'a' and 'b', carrying steady cur...

    Text Solution

    |

  12. Prove that the parallel conductors of infinite length, carry current i...

    Text Solution

    |

  13. WHat is the direction of force between two parallel conductors carryin...

    Text Solution

    |

  14. Write the expression for the magnitude of force per unit length betwee...

    Text Solution

    |

  15. WHat is the direction of force between two parallel conductors carryin...

    Text Solution

    |

  16. Derive an expression for the torque acting on a rectangular current ca...

    Text Solution

    |

  17. Derive an expression for the torque acting on a rectangular current ca...

    Text Solution

    |

  18. Derive an expression for the torque acting on a rectangular current ca...

    Text Solution

    |

  19. A rectangular loop of metallic wire is of length a and breadth b and c...

    Text Solution

    |

  20. Derive an expression for the torque acting on a rectangular current ca...

    Text Solution

    |

  21. Derive an expression for the torque acting on a rectangular current ca...

    Text Solution

    |