Technician a Says Direct Current (DC) Flows in Two Directions

question 9

Multiple Choice

Technician A says direct current (DC) flows in two directions. Technician B says alternating current (AC) flows in two directions. Who is correct?

• A) A only
• B) B only
• C) both A and B
• D) neither A nor B

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Definitions:

Intelligence

The ability to acquire knowledge, think abstractly, understand complex ideas, learn from experience, and solve problems.

Heritability Rates

The proportion of variation among individuals that can be attributed to genetic factors within a population.

Intelligence Tests

Standardized assessments designed to measure human intelligence, often used in educational and psychological settings.

Paradoxical Sleep

Another term for REM (Rapid Eye Movement) sleep, a phase of sleep characterized by fast brain waves, dream activity, and bodily paralysis.