Using a 1x probe, one complete cycle of a sine wave spans 2.8 blocks when the Sec/Div. switch is set to 10 msec. The period of this sine wave is ____.

A. 2.8 sec
B. 28 msec
C. 35.71 msec
D. 357.14 msec


Answer: B

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Most fish are covered with ____________________, which are thin, bony plates that overlap each other and provide protection

Fill in the blank(s) with correct word

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A 15-cm-diameter aluminum ball is to be heated from 80°C to an average temperature of 200°C. Taking the average density and specific heat of aluminum in this temperature range to be ? = 2700 kg/m3 and cp = 0.90 kJ/kg•K, respectively, determine the amount of energy that needs to be transferred to the aluminum ball.

What will be an ideal response?

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

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The output voltage or current of a digital-to-analog converter is truly an analog signal

Indicate whether the statement is true or false

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