What is the basic fuel used to produce electrical energy in a fuel cell?

A. Hydrogen
B. Methanol
C. Electricity
D. Gasoline


A. Hydrogen

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How far is it (vertically) from the center of the shaft on the motor to the center of the 21 tooth pinion?

Review drawing number 523797C0A and then answer the question.

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An ____________________ is a time for the potential employer to know whether the intern would make a good employee

Fill in the blank(s) with correct word

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By 1850, the slave population had reached __________

A) over one million B) over two million C) over three million D) over four million

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For the CMOS NOR gate of Figure 11.23 identify the state of each transistor for v1 = v2 = 5 V. Assume VDD = 5V.

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