If 10 volts is applied across a linear feedback potentiometer that is two inches long, how much distance does the device it is measuring move if the voltage changes 2.5 volts?
What will be an ideal response?
1/2 inch
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If the neutral in a grounded system is not needed for voltage requirements, it _____.
a. should not be connected to the grounded electrode conductor b. should be connected to the overcurrent device c. must be run to the service and connected to the GEC and EGC d. should be connected to metal raceways
All of the following statements are true EXCEPT:
A. the release bearing is lubricated and then sealed at the factory. B. self-centering release bearings are used on front-wheel-drive cars because they do not use a pilot bearing in the crankshaft. C. curved release levers go against curved bearings, and flat release levers go against flat bearings. D. some release bearings are flat on their face and others are curved.
What are some different methods of watering container plants? What are the
advantages and disadvantages of each?
What will be an ideal response?Which of the following is a poisonous product still used in developing countries?
a. carbon monoxide c. tetraethyl lead b. radon d. sulfur