Basics of Ac Circuits: a 500-W Device Is Connected to a 230-V

question 32

Multiple Choice

Basics of ac circuits: A 500-W device is connected to a 230-V ac power source. What rms current flows through this device?

• A) 290 A
• B) 2.2 A
• C) 330 A
• D) 230 A
• E) 3.1 A

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Definitions:

Existing Schemes

Preexisting cognitive structures or frameworks in the mind that help individuals organize and interpret information.

Modify

To change or alter something, often to improve it or to adapt it to different conditions.

Cognitive Development

The process of growth and change in intellectual capabilities such as thinking, reasoning, and understanding.

Piaget's Stages

A theory by Jean Piaget that describes four stages of cognitive development in children: Sensorimotor, Preoperational, Concrete Operational, and Formal Operational stages.