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Discuss the principle, construction and theory of a dead beat galvanometer. State two merits of moving coil galvanometer.

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Knowledge Check

  • The deflection in moving coil galvanometer is

    A
    directly proportional to the torsional constant
    B
    inversely proportional to the area of the coil
    C
    inversely proportional to the current
    D
    directly proportional to the number of turns in the coil

  • The deflection in moving coil galvanometer is

    A
    Directly proportional to the torsional constant
    B
    Directily proportional to the number of torsional coil
    C
    Inversty proportional to the area of coil
    D
    Inversely proportional to the current flowing

  • To make the field radial in moving coil galvanometer

    A
    the number of turns in the coil is increased
    B
    poles are cylindrically cut
    C
    magnet is taken in the form of horse shoe
    D
    coil is wound an aluminium frame

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