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4.2.5 Electrical energy and electrical power

Syllabus
0625–2026–2027
Topic
4.2.5
Level
—

4.2.5.1—Electric circuits transfer energy from

  • Understand: electric circuits transfer energy from a source of electrical energy, such as an electrical cell or mains supply, to the circuit components and then into the surroundings

4.2.5.2—Recall/use: for electrical power P =

  • Recall/use: for electrical power P = IV

4.2.5.3—Recall/use: for electrical energy E =

  • Recall/use: for electrical energy E = IVt

4.2.5.4—Kilowatt-hour (kWh) and calculate the

  • Define the kilowatt-hour (kWh) and calculate the cost of using electrical appliances where the energy unit is the kWh

Objective notes

4 learning objectives
ConceptIGCSE Physics