If the primary coil is energized in a transformer, what happens in the secondary coil if it is connected into a closed circuit?
A. nothing until it too is powered up
B. current flow is induced
C. nothing until the secondary circuit is open
D. nothing until primary coil de-energizes
Answer: B
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Push buttons, HOA switches, pilot lights, and so on are generally located on a control terminal where an operator has access to them.
Answer the following statement true (T) or false (F)
In the past 30 years, the number of swine operations has:
a. Increased greatly c. Stayed the same b. Decreased by almost 90 percent d. Decreased by only 10 percent
? Identify and state the historical significance of Dupuy de Lóme.
What will be an ideal response?
One way to make ____ shapes more visible is to put a frame around the objects you want to draw.
A. isometric B. negative C. three-dimensional D. prismatic