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Ammeter

The galvanome...

Question

The galvanometer constant of a tangent galvanometer depends upon

A

earths magnetic field

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B

current in the coil

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C

magnetic field of the coil

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D

deflection of the magnetic needle

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Solution

The correct option is B earths magnetic field
The galvanometer constant of a galvanometer can be written as
$k α B_{H}$
$k = \frac{2 r B_{H}}{μ_{o} n}$ ( standard result of magnetism)
depends on the horizontal component of magnetic field.

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State True or False.

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