A galvanometer with a internal resistance of 40N and a shunt resistor of value Rsh is connected in series with a 10 2 resistor. A constant voltage Vo is applied across the circuit, and the galvanometer deflects a certain amount. The shunt resistor is then removed, and replaced in series with the 10 N resistor. With the same voltage Vo, the galvanometer deflection is unchanged. Calculate the value Rsh of the shunt resistor.

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A galvanometer with a internal resistance of 40 N and a shunt resistor of value
Rsh is connected in series with a 10 2 resistor. A constant voltage Vo is applied across
the circuit, and the galvanometer deflects a certain amount. The shunt resistor is then
removed, and replaced in series with the 10N resistor. With the same voltage Vo, the
galvanometer deflection is unchanged. Calculate the value Rsh of the shunt resistor.
Transcribed Image Text:A galvanometer with a internal resistance of 40 N and a shunt resistor of value Rsh is connected in series with a 10 2 resistor. A constant voltage Vo is applied across the circuit, and the galvanometer deflects a certain amount. The shunt resistor is then removed, and replaced in series with the 10N resistor. With the same voltage Vo, the galvanometer deflection is unchanged. Calculate the value Rsh of the shunt resistor.
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