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

---

Definitions:

Acquired Genetic Mutations

Genetic changes that occur in an individual after birth due to environmental factors, errors in DNA replication, or repair mechanisms, rather than inheriting them from parents.

Inherited Mutations

Genetic changes that are passed from parents to offspring, which can result in genetic disorders or variations in physical traits.

Cell Membrane

The semi-permeable membrane surrounding the cytoplasm of a cell, which regulates entry and exit of substances.

Substances

Materials or items that can have a specific composition and properties, which can range from chemicals to drugs.