Technician Asays fiber optics provide illumination of several objects by a single light source. Technician B says light rays travel through the plastic strands by means of external reflections. Who is correct?
A. Technician A only
B. Technician B only
C. Both Technician A and B
D. Neither Technician A nor B
Answer: A
Trades & Technology
You might also like to view...
An FDMA data signal duration in accompanying image is = ___________.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
Four fair coins are flipped. Each coin tail is recorded as a 0 and a head as a 1 and the source symbol is the sum, with X1 corresponding to sum =0, X2 to sum = 1, etc. The source entropy equals HS= ________(x.xx) bits/symbol?
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
What is the heaviest and strongest piping material available?
A. duriron B. steel C. aluminum D. PVC
Trades & Technology
Which radio frequency band does Bluetooth use?
A. 2.4 GHz ISM B. 5.0 GHz ISM C. 2.0 GHz ISM D. 4.2 GHz ISM
Trades & Technology