A galvanometer has range 0 − V volt and ...

A galvanometer has range 0 − V volt and it has resistance R. When the series resistor of resistance 2R is connected, the range becomes 0 ⋅ V . Then

`V'=2V`

`V'=3V`

`V'=1.75V`

`V=1.5V`

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A galvanometer has range 0 − V volt and it has resistance R. When the series resistor of resistance 2R is connected, the range becomes 0 ⋅ V . Then

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