The ________ ________ is the part of the telephone that is used to open the circuit when the handset is returned to the cradle or to close the circuit when the handset is picked up off the cradle
Fill in the blank(s) with correct word
switch hook
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Most analog sensors can produce only very weak signals.
Answer the following statement true (T) or false (F)
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In steel studs up to 20-gauge thick, hole punches are used to make small holes up to approximately _____
a. 1/2" b. 1-1/2" c. 2" d. 2-1/2"
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Hazardous waste is transported mostly by
a. trains b. planes c. boats d. trucks e. all of these
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A decade is an increase or decrease of frequency by what factor?
A. 2 B. 20 C. 8 D. 10
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