In 1948, what company invented the bipolar junction transistor (BJT), which revolutionized the electronics industry?
A. General Electric
B. Bell Laboratory
C. Code Blue Corporation
D. NASA
Question 2
What type of waveform is the one generated by the utility company and the one that is available in our homes and workplaces?
A. Triangular
B. DC
C. Sinusoidal
D. Square