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Explain common electrical terms.

Definition

Explanation should include defining the terms watts, amps, volts, and ohms in accordance with the National Electrical Code (NEC).

Explanation should also include describing
  • atomic structure, as it relates to electricity
  • the law of charges
  • the differences among conductors, insulators, and semiconductors
  • current, including its unit of measure and symbol
  • voltage, including its unit of measure and symbol
  • resistance, including its unit of measure and symbol
  • the interrelationship of current, voltage, and resistance
  • potential and electromotive forces
  • Ohm's law.

Process/Skill Questions

  • What are the differences between watts, amps, volts, and ohms?
  • How are watts, amps, volts, and ohms calculated?
  • Who is credited with discovering the law of charges?
  • According to the law of charges, how should objects with similar charges behave with each other?
  • What letter symbol is used to represent current? Voltage? Resistance?
  • How does resistance affect the movement of free electrons?
  • What are the mathematical relationships of Ohm’s law?

Related Standards of Learning

English

9.5

The student will read and analyze a variety of nonfiction texts.
  1. Apply knowledge of text features and organizational patterns to understand, analyze, and gain meaning from texts.
  2. Make inferences and draw conclusions based on explicit and implied information using evidence from text as support.
  3. Analyze the author’s qualifications, viewpoint, and impact.
  4. Recognize an author’s intended purpose for writing and identify the main idea.
  5. Summarize, paraphrase, and synthesize ideas, while maintaining meaning and a logical sequence of events, within and between texts.
  6. Identify characteristics of expository, technical, and persuasive texts.
  7. Identify a position/argument to be confirmed, disproved, or modified.
  8. Evaluate clarity and accuracy of information.
  9. Analyze, organize, and synthesize information in order to solve problems, answer questions, complete a task, or create a product.
  10. Differentiate between fact and opinion and evaluate their impact.
  11. Analyze ideas within and between selections providing textual evidence.
  12. Use the reading strategies to monitor comprehension throughout the reading process.

10.5

The student will read, interpret, analyze, and evaluate nonfiction texts.
  1. Analyze text features and organizational patterns to evaluate the meaning of texts.
  2. Recognize an author’s intended audience and purpose for writing.
  3. Skim materials to develop an overview and locate information.
  4. Compare and contrast informational texts for intent and content.
  5. Interpret and use data and information in maps, charts, graphs, timelines, tables, and diagrams.
  6. Draw conclusions and make inferences on explicit and implied information using textual support as evidence.
  7. Analyze and synthesize information in order to solve problems, answer questions, and generate new knowledge.
  8. Analyze ideas within and between selections providing textual evidence.
  9. Summarize, paraphrase, and synthesize ideas, while maintaining meaning and a logical sequence of events, within and between texts.
  10. Use reading strategies throughout the reading process to monitor comprehension.

11.5

The student will read, interpret, analyze, and evaluate a variety of nonfiction texts including employment documents and technical writing.
  1. Apply information from texts to clarify understanding of concepts.
  2. Read and correctly interpret an application for employment, workplace documents, or an application for college admission.
  3. Analyze technical writing for clarity.
  4. Paraphrase and synthesize ideas within and between texts.
  5. Draw conclusions and make inferences on explicit and implied information using textual support.
  6. Analyze multiple texts addressing the same topic to determine how authors reach similar or different conclusions.
  7. Analyze false premises, claims, counterclaims, and other evidence in persuasive writing.
  8. Recognize and analyze use of ambiguity, contradiction, paradox, irony, sarcasm, overstatement, and understatement in text.
  9. Generate and respond logically to literal, inferential, evaluative, synthesizing, and critical thinking questions about the text(s).

12.5

The student will read, interpret, analyze, and evaluate a variety of nonfiction texts.
  1. Use critical thinking to generate and respond logically to literal, inferential, and evaluative questions about the text(s).
  2. Identify and synthesize resources to make decisions, complete tasks, and solve specific problems.
  3. Analyze multiple texts addressing the same topic to determine how authors reach similar or different conclusions.
  4. Recognize and analyze use of ambiguity, contradiction, paradox, irony, overstatement, and understatement in text.
  5. Analyze false premises claims, counterclaims, and other evidence in persuasive writing.

Science

PH.11

The student will investigate and understand how to diagram, construct, and analyze basic electrical circuits and explain the function of various circuit components. Key concepts include
  1. Ohm’s law;
  2. series, parallel, and combined circuits;
  3. electrical power; and
  4. alternating and direct currents.