____ lasers are at the heart of fiber-optics.
A. Semiconductor
B. Carbon dioxide
C. Metal
D. Water-based
Answer: A
Trades & Technology
You might also like to view...
A(n) ____________________ circuit is a circuit that has only one path for electrons back to the source of power.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
____________________ sealants can cure without the presence of oxygen.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
The three natural gaits are walk, rack, and cantor
A. True B. False
Trades & Technology
The logic gate that produces a HIGH output whenever its two inputs are unequal is the:
A) Exclusive NOR. B) Exclusive OR. C) NAND. D) NOR.
Trades & Technology