First slide

Moving coil Galvanometer

Question

The ammeter has range 1 ampere without shunt. The range can be varied by using different shunt resistances. The graph between shunt resistance and range will have the nature

Moderate

A

P
B

Q
C

R
D

S

Solution

$R_{shunt} = \frac{R_{ammeter}}{I_{range} - 1}$

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