Which of the following is the feedback signal flow definition?

A) A signal path where there is a series connection of blocks.
B) A signal path where two or more blocks feed into a single block.
C) A signal flow is where part of the output signal is diverted back to the system input and added to the input signal.
D) A signal path where a single block feeds two or more blocks.


C

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On the stud-weld symbol, the pitch is placed ____ of the symbol.

A. above B. below C. to the left D. to the right

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Assume that a retailer sells 800 six packs of Dr. Pepper per day at a price of $3.00/six-pack. You, as an economic analyst, estimate that the cross-price elasticity between Dr. Pepper and Coca-Cola is 0.6. If the retailer raises the price of Coca-Cola by 10%, how would the sales of Dr. Pepper be affected, ceteris paribus ?

A) Sales of Dr. Pepper would rise by 10% B) Sales of Dr. Pepper would rise by 48 six-packs C) Sales of Dr. Pepper would fall by 48 six-packs D) None of the above

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A compass or ____ (a gauge that detects magnetism) can be used to locate the exact location of a ground when a wire has been accidentally pinched.

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

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The Zener diode is a diode specially designed for ____.

a. rectification b. voltage regulation c. visual displays d. changing AC to DC

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