If an RC integrator uses a 47?F capacitor, a 12 k? resistor and a square wave input with a frequency of 200 kHz, its approximate output is ________
A) a square wave with a frequency of 200 kHz
B) a square wave with a frequency of 100 kHz
C) a near dc voltage of about half the peak square wave voltage
D) 0 V
C
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A) ?Slicing B) Chopping C) Cracking D) ?Pinching
The binomial system of naming plants was developed by a famous Swedish botanist, ____
A) Sigmund Freud B) Carolus Linnaeus C) Charles Boctavia D) Sven Berne
Federal regulations introduced in the late 1970s required that insulation products provide increased fire resistance; these codes favored nonflammable glass products over paper-based cellulose, leading to the long-standing market dominance of ____ insulation.
A. fiberglass B. asbestos C. wood fiber D. cellulose
There are two conductors, a red and a blue installed in metallic conduit. You are using a MEGGER to test for grounds. How should the two leads of the MEGGER should be connected?
A. one to the blue lead and one to the conduit B. one to the red lead and one to the conduit C. one to the blue lead and one to the red lead D. both a and b above