°Mice that monitor movement using an optical sensor rather of a traditional mechanical one.

I know it’s off the device but I don’t know why

When using a Vernier motion sensor to record the position of a cart on a track, the sensor itself:  Select one: a. may not be properly aligned, in which case you should call the TA b. is always perfectly aligned and not adjustable c. requires you to test it's alignment before attempting to take data

Which of the following given sensor is self generating type transducer? a) Strain gauge  b) Thermocouple  c) Thermistor  d) RTD