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The deflection in Moving coil Galvanomet...

The deflection in Moving coil Galvanometer falls from 50 divisions to 10 divisions, when a shunt of 12 `Omega ` is connected with it. The resistance of Galvanometer coil is

A

`6 Omega `

B

`48 Omega`

C

`24 Omega `

D

`12 Omega `

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Knowledge Check

  • Current sensitivity of a moving coil galvanometer is 5 div/mA and its voltage sensitivity (angular deflection per unit voltage applied) is 20 div/V. The resistance of the galvanometer is

    A
    `500Omega`
    B
    `40Omega`
    C
    `250Omega`
    D
    `25Omega`

  • A galvanometer of resistance 502 giving full scale deflection for a current of 10 milliampere is to be changed into a voltmeter of range 100 V. A resistance of ……… Omega has to be connected in series with the galvanometer

    A
    9950
    B
    10025
    C
    10000
    D
    9975

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    A galvanometer has resistance 48Omega if a shunt of 6Omega is added with this, then fraction of current that passes through galvanometer is:

    A gavanometer of 50 Omega resistance has 25 divisions. A current of 4xx10^(-4) A gives a deflection of one division. To convert this galvanometer into a voltmeter having a range of 25 V , it should be connected with a resistance of

    What is reason behind no damage in wire of coil of galvanometer after connecting shunt.

    Explain construction and principle of moving coil galvanometer.

    If deflection in galvanometer in above circuit is zero then find value of R. Internal resistance of 12 V source is negligible. Will the galvanometer show some deflection if cold air is passed on 10 k Omega wire wound resistor ?

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