The South held about ____ percent of the slaves in the 13 colonies of North America.

A. 100
B. 90
C. 80
D. 70
E. 50


Answer: B

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A 1200W hair dryer and a 3W indicator lamp connect in parallel to the 120V supply. The current into the hair dryer equals ___A and that through the lamp equals ___A.

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

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Research accident avoidance systems used in current or planned automated vehicles. Summarize how the systems function.

What will be an ideal response?

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How much energy does a 10-hp motor deliver in 30 minutes? Assume that 1 horsepower = 746 W.

What will be an ideal response?

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Answer the following statement(s) true (T) or false (F)

1.Four-wire quad wire is highly recommended for residential telephone installations. 2.A standard network interface box is used when the telephone company terminates their wiring outside the house. 3.Each video, voice, and data outlet location should have a separate homerun back to the service center. 4.A suspended ceiling grid cannot be used to support structured cabling systems. 5.An RJ-45 is a popular six position UTP connector.

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