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In a moving coil galvanometer, we use a ...

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

Text Solution

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The correct Answer is:
c
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Describe the working principle of a moving coil galvanometer. Why is it necessary to use (i) a radial magnetic field and (ii) a cylindrical soft iron core in a galvanometer? Write the expression for current sensitivity of the galvanometer.

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