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.
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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