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The reduction factor of a tangent galvan...

The reduction factor of a tangent galvanometer may be defined as the current passing through it to produce a deflection of

A

`90^@`

B

`45^@`

C

`30^@`

D

`60^@`

Text Solution

Verified by Experts

The correct Answer is:
B
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What is a reduction factor of tangent galvanometer and its unit of measurement?

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Knowledge Check

  • Reduction factor of tangent galvanometer is measured in

    A
    `Am^(2)`
    B
    `Am`
    C
    `A`
    D
    `Am^(-1)`

  • The unit of reduction factor of tangent galvanometer is

    A
    Ampere
    B
    Gauss
    C
    Radian
    D
    None of these

  • Galvanometer shows deflection when current passes through it. This is because,

    A
    it is based on heating effect of current
    B
    it is based on magnetic effect of current
    C
    it is based on induced emf
    D
    it is based on electrolysis

    • Similar Questions

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    State tangent law in magnetism. How will the reduction factor of a tangent galvanometer change when the number of turns of its coil is doubled? Explain.

    A current of 0.5 A prioduces a deflection of 45^(@) in a tangent galvanometre. What current will produce a deflection of 30^(@) in the same tangent galvanometer.

    A current of 10^(-5)A produced a deflection of 10^(@) in a moving coil galvanometer . A current of 10^(-6)amp in the same galvanometer produces a deflection of 1^(@)

    Assertion: Reduction factor (K) of a tangent galvanometer helps in reduction to current. Reason: Reduction factor increases with increase of current.

    In a tangent galvanometer a current of 0.1 A produces a deflection of 30^(@) . The current required to produce a deflection of 60^(@) is

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