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A moving-coil instrument has a resistance of 10Ω and requires a current of 15mA to give full-scale deflection. Calculate the resistance value of the resistor necessary to enable it to be used to measure (a) currents up to 25A, (b) voltages up to 500V.

Home/ College/A moving-coil instrument has a resistance of 10Ω and requires a current of 15mA to give full-scale deflection. Calculate the resistance value of the resistor necessary to enable it to be used to measure (a) currents up to 25A, (b) voltages up to 500V.