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A D/A converter is connected to an amplifier (A) and then to a DC motor (M). The motor speed varies from 0 to 5000 RPM.

A D/A converter is connected to an amplifier (A) and then to a DC motor (M). The motor speed varies from 0 to 5000 RPM. How many bits are needed for the DAC so that the motor speed is always within 5 RPM of the desired speed

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