A polygon can be drawn around the outside of a circle using which option:
a. radius
b. inscribed
c. circumscribed
d. edge
c. circumscribed
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An RC filter has impedances Z1 = R1 =1k? and Z2 = 1/(j?oC) connected in series and an input voltage vIN(t)= 20 sin (2?fot) V with ?o=1,000 rad/s. The value of C that makes the amplitude of vOUT(t) equal to 1 V equals ____ (xx.x) µF.
Fill in the blank(s) with the appropriate word(s).
Discuss the advantages and disadvantages of solar cells being made into other forms besides individual units combined into modules and arrays.
What will be an ideal response?
Technician A says that aftermarket parts must meet more demanding criteria than OEM parts. Technician B says that the cost of an aftermarket part may be about the same as an OEM part from the dealer. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
At about what temperature does oxygen combine with the nitrogen in the air to form NOx?
A) 2,500°F (1,370°C) B) 500°F (260°C) C) 750°F (400°C) D) 1,500°F (815°C)