The reason for incandescent lamp surge current when initially switched on is attributed to__________.
A. Lenz's law
B. CEMF
C. the positive temperature coefficient of tungsten
D. the negative temperature coefficient of tungsten
Answer: C
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The balance of forces responsible for germination is the ________ of the radicle versus the ________ of the seed coverings.
Fill in the blank(s) with the appropriate word(s).
The ________ adopted in 1939 regulates shipment and sale of seeds in the United States.
Fill in the blank(s) with the appropriate word(s).
Which of the following abbreviations is used on electrical drawings to represent an oscilloscope?
a. CRO b. OSC c. OHM d. TD
A corner office measures 10 feet by 12 feet 6 inches with an 10-foot ceiling. The two outside walls are brick with 3 1/2 inches of insulation. There are no windows in the walls. The ceiling has 9 1/2 inches of insulation beneath a vented roof. The floor is a slab floor sitting on the ground. What is the heat load for the ceiling for a design temperature difference of 75°F?
Fill in the blank(s) with the appropriate word(s).