The combined resistance of an AC series circuit is equal to the ____ of the individual resistances of the circuit.

A. sum
B. difference
C. product
D. ratio


Answer: A

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____ are preferred over other types of photo detection devices because of their speed of operation.

A. Photodiodes B. LEDs C. Transmitters D. Prisms

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Two kilograms of air, at an initial temperature of 24ºC, expand in a cylinder with a polytropic process such that Pv1.2 = const. The pressure changes 800 kPa to 100 kPa. The heat transfer, assuming a quasi-equilibrium process, is nearest:

A) 125 kJ B) 150 kJ C) 175 kJ D) 200 kJ

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Animal rights activists contend that modern farming is controlled by large ____________________ that care only about profits and not about the welfare of animals

Fill in the blank(s) with correct word

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The Ottoman Empire’s perilous financial situation allowed the French to gain control of which North African territory?

a. Libya b. Morocco c. Algeria d. Tunisia

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