In an optoisolator, a ____ is used to trigger a phototransistor.
a. light-emitting diode
b. transistor
c. rectifier
d. rheostat
a. light-emitting diode
Trades & Technology
You might also like to view...
The chemical daminozide, once sprayed on apples, was thought to cause ____________________
Fill in the blank(s) with correct word
Trades & Technology
When a young insect first hatches, it is usually in the larval stage and resembles a worm
Indicate whether the statement is true or false
Trades & Technology
The series tee is often used for _____________
A. a single antenna to be used for both transmission and reception B. adjusting signal levels C. physically reversing a directional coupler D. impedance matching
Trades & Technology
If an object is moving and there are no unbalanced forces acting on it, the object will
a. speed up. b. slow down. c. continue moving at constant velocity. d. none of the above
Trades & Technology