When light strikes the PN junction of a photodiode, current flows in a __________ direction.
A. forward-biased
B. reverse-biased
Answer: B
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One requirement for a right-to-know program is employee accessibility to the ____________________, which states the chemicals used on a project and any harmful effects they may cause.
Fill in the blank(s) with the appropriate word(s).
The humidistat ____ if the humidity should become too high or too low.
a. activates a sound alarm b. produces a change in color c. sets the system off d. activates a set of contacts
Cuando se conectan en serie cuatro relés de estado sólido idénticos para obtener múltiples salidas con interruptor, el voltaje de suministro de control mínimo que se usa para dar energía a los relés debe ser al menos _____ voltaje de funcionamiento MÍNIMO requerido para usar con un solo relé.
a. igual al b. el doble del c. el triple del d. el cuádruple del
Stones, boulders, and natural outcroppings have no enrichment value in the landscape
Indicate whether the statement is true or false