In a basic AC circuit, the ____ can be a resistor, a heater, a lamp, or any similar device.

A. AC source
B. conductor
C. resistive load
D. capacitor


Answer: C

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?Figure 37-1: ? Use Figure 37-1.  How many days is the surface temperature within 5°F of the ground temperature 30 ft. below the surface??

Fill in the blank(s) with the appropriate word(s).

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Barbara had a pond dug with the outside of the dam making an angle of 30° with the horizontal. The dam is 16 feet high (Figure 3-3).


a. What is the slope of the outside of the dam?
b. How long is the dam in feet?

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Advanced Anatomists, Inc., researchers in medical science, is contemplating a commercial venture concentrating on proteins based on the new X-ray technology of free-electron lasers. To recover the huge investment needed, an annual $2.5 million CFAT is needed. A favored average federal tax rate of 20% is expected; however, state taxing authorities will levy an 8% tax on TI. Over a 3-year period, the deductible expenses and depreciation are estimated to total $1.3 million the first year, increasing by $500,000 per year thereafter. Of this, 50% is operating expenses and 50% is depreciation. What is the required gross income each year?

What will be an ideal response?

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If reservoir-type humidifiers are not properly maintained, which of the following can be discharged into the air?

A. fungi B. bacteria C. algae D. all of the above

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