A galvanometer with its coil resistance 25 Ω requires a current of 1 mA for its full
deflection. In order to construct an ammeter to read up to a current of 2 A,
the approximate value of the shunt resistance should be :
As we have learned
Required shunt -
- wherein
Current through galvanometer
or
or or
Option 1)
Option 2)
Option 3)
Option 4)
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