Ahow large a parallel resistor ra mustbe placed in


a)How large a parallel resistor Ra mustbe placed in parallel with the D'Arsonval meter movement toextend its useful measuring range to 1A ?
b)For the design completed in Prob. a determine the measured current that flows when the D'Arsonval metermovement is connected to an energized circuit and it reads3mA .

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Electrical Engineering: Ahow large a parallel resistor ra mustbe placed in
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