Describe the operation of the phototransistor.
What will be an ideal response?
A phototransistor is a light-detecting transistor that uses the application of light to generate carriers to supply the base leg current. The intensity of the light controls the collector current of the transistor. Unlike a normal transistor, the phototransistor has only two terminals. Like a normal transistor, the output current is amplified.
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What component of a vessel is used to alter the flow of a vessel’s contents, facilitate mixing, or cause turbulent flow?
A. Baffle B. Agitator C. Sump D. Mist eliminator
The speedometer drive assembly is geared to the input shaft.
Answer the following statement true (T) or false (F)
____ (CUH) mount on the surface of the wall and do not have ventilation capability.
A. Cart unit heaters B. Cabinet unit heaters C. Closed unit heaters D. Cubic unit heaters
How much mechanical work is required to lift a 300-lb compressor 3 ft?
A) 300 lb × 3 ft = 900 ft-lb of force B) Mechanical force alone will not lift the compressor. C) 300 lb of force D) 300 lb/3 ft = 100 ft-lb of force