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(a) With the help of a diagram , explain...

(a) With the help of a diagram , explain the principle and working of a moving coil galvanometer .
(b) What is the importance of a radial magnetic field and how is it produced ?
(c) Why is it while using a moving coil galvometer as a voltmeter a high resistance in series is required whereas in an ammeter a shunt is used ?

Answer

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Similar Questions

Explore conceptually related problems

Why is it that while using a moving coil galvanometer as a voltmeter, a high resistance in series is required whereas in an ammeter a shunt is used?

(a) With the help of a diagram, explain the principle and working of a moving coil galvanometer. (b) What is the imporance of a magnetic field and how is it produced ? (c) Why is it that while using a moving coil galvanometer as a voltmeter as a voltmeter a high resistance in series is required whereas in an ammeter a shunt is used ?

Knowledge Check

  • In a moving coil galvanometer, we use a radial magnetic field so that the galvanometer scale is

    A
    logarithmic
    B
    expontial
    C
    linear
    D
    None of these

  • In moving coil galvanometer, the magnetic field used is

    A
    non-uniform
    B
    radial
    C
    uniform
    D
    None of these

  • In a moving coil galvanometer , a radial magnetic field is produced due to the

    A
    concave pole pieces of the magnet
    B
    rectangular coil
    C
    iron core
    D
    mirror

    • Similar Questions

    Explore conceptually related problems

    What is the shape of magnet in moving coil galvanometer to make the radial magnetic field ?

    What is the function of the radial magnetic field in the moving coil galvanometer?

    Explain why earth's magnetic field does not affect the working of a moving coil galvanometer?

    What is the function of a uniform radial magnetic field in the moving coil galvanometer?

    Assertion : Earth's magnetic field does not affect the working of a moving coil galvanometer. Reason: The earth's magnetic field is quite weak as compared to magnetic field produced in the moving coil galvanometer.

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