An npn transistor with a ? of 220 has an IB of 110 ?A. The emitter current (IE) is
A) 243.10 mA B) 110 ?A C) 24.20 mA D) 24.31 mA
D
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A 200 amp circuit that is 25 feet long should use wire of which AWG rating?
A) 16 ga. B) 2 ga. C) 18 ga. D) 14 ga.
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Typical secondary coil resistance specifications usually range from ________ ohms
A) 6,000-30,000 B) 100-450 C) 1-3 D) 500-1,500
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If an evaporator does not have to superheat refrigerant vapor, which of the following can be produced?
A) Greater cooling capacity B) More cooling vapors C) Greater warming capacity D) More heating vapors
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One critical dimension required in designing stairs, ____, is the distance from one floor to the next or, in other words, the height that the stairs must span.
A. total rise B. x-distance C. stair elevation D. floor span
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