PUC Karnataka Science Class 12Department of Pre-University Education, Karnataka
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Can a galvanometer as such be used for measuring the current? Explain. - PUC Karnataka Science Class 12 - Physics

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Question

Can a galvanometer as such be used for measuring the current? Explain.

Solution

Yes a galvanometer can be used for measuring the current

Conversion of a galvanometer into an ammeter

A shunt (low resistance) is connected in parallel with a  galvanometer.

`S=(I_g/(I-I_g))G`

Here,

I = total current in circuit

G = resistance of the galvanometer

S = resistance of the shunt

Ig = current through the galvanometer

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Solution Can a galvanometer as such be used for measuring the current? Explain. Concept: Moving Coil Galvanometer.
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