Explain how a tachometer is used to measure rotational speed

Assignment Help Basic Computer Science

Reference no: EM131371860

1. Explain how a tachometer is used to measure rotational speed.

2. How does an optical encoder work?

3. Explain the function of each of the following actuators:

a. Solenoid

b. Solenoid valve

c. Stepper motor

Reference no: EM131371860

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