Electrical Power and Energy
Physics · JC 1 · Electricity and Magnetism · Semester 2

Electrical Power and Energy

Students will define electrical power and energy, calculating them in circuits and understanding their practical implications.

MOE Syllabus OutcomesH2 Physics (9749), Core Idea 5: Electricity and Magnetism, 5.2 Current of Electricity, Learning Outcome (c) define potential difference in terms of energy transferH2 Physics (9749), Core Idea 5: Electricity and Magnetism, 5.2 Current of Electricity, Learning Outcome (e) recall and solve problems using P = VI, P = I^2R and P = V^2/R

About This Topic

Students will define electrical power and energy, calculating them in circuits and understanding their practical implications.

Key Questions

  1. Differentiate between electrical power and electrical energy.
  2. Analyze how the power rating of an appliance relates to its energy consumption.
  3. Calculate the cost of running an electrical appliance for a given period.

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Planning templates for Physics

Lesson Plan

Science

A science-specific template built around the scientific method, with sections for phenomena, investigation, data analysis, and claims-evidence-reasoning (CER) writing.

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Edited by Adriana Perusin, Editor-in-Chief, Flip Education