If an inductor, resistor and switch are connected in series to a 12 V battery, what is the magnitude of the inductor's voltage at the instant that the switch is closed?
A) 4 V B) 12 V C) 6 V D) 0 V
B
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Researchers have discovered that certain varieties of wild tobacco contain sugar-based fatty acid compounds that act as a natural:
a. Herbicide c. Pain reliever b. Insecticide d. Fertilizer
Why is knowledge regarding the recovery level for Type II systems with 200 pounds or more of R-22 not important for most technicians?
A) Type II recovery levels are optional by law. B) Few systems are this large. C) Few systems are this small. D) Enforcement rates for recovery levels are low.
Which welding inspector level must have a more extensive knowledge of nondestructive weld examination?
A) ACWI B) CWI C) SCWI D) None of the above
In which part of a computer system are the instructions stored?
A) memory (ROM or RAM) B) central processor C) input/output D) all of the above