Which of the Following Is True

question 237

Multiple Choice

Which of the following is true?

• A)The completion of the transcontinental railroad system in the 1880s eventually made the United States the world's first mass market.
• B)Southern manufacturers benefited from high protective tariffs of the 19th century that kept out cheaper Japanese manufactured goods.
• C)The canal system linking east-coast rivers with the Great Lakes in the 1820s created an "American economy" rather than just a series of regional economies located in one country.
• D)Agricultural inventions such as John Deere's steel plows did little to improve farm productivity.

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Definitions:

RC Parallel Circuit

An electrical circuit configuration consisting of resistors (R) and capacitors (C) connected in parallel, affecting current and voltage differently.

R

Symbol commonly used to denote resistance in electrical circuits, measured in ohms (Ω).

Power Factor

The ratio of the real power flowing to the load to the apparent power in the circuit, indicating how effectively electrical power is converted into useful work output.

RC Parallel Circuit

An electrical circuit composed of resistors (R) and capacitors (C) connected in parallel, affecting the total impedance seen by an alternating current (AC) source.