Which are characteristics of self-biased FETs?
A) they operate on feedback principles B) only require a single-source power supply
C) the gate is always at zero volts D) all of the above
D
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A command signal, sometimes called the ____ or reference signal, is programmed into the DC drive and sets the desired operating speed of a DC motor.
A. steady state B. target C. set point D. encoder
____________________provide producers with information about the combination of soils, plants, and climate that will promote the best possible yield
Fill in the blank(s) with correct word
An oil filter should be hot drained for how long before disposal?
A) 4 hours B) 12 hours C) 8 hours D) 30 to 60 minutes
Technician A says that because of hybrid/electric technology, the internal combustion engine used on these vehicles runs colder than peak operating temperatures. Technician B says that PTC coolers located in the A/C system are used to overcome this
excessive engine heat. Which technician is correct? A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B