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Physics›Chapter 3 - Electromagnetic Induction and AC Dynamo and Transformer›Lesson 4: The Electric Transformer and Electric Motor (DC Motor)

Lesson 4

Lesson 4: The Electric Transformer and Electric Motor (DC Motor)

Lesson parts

4.1 Principle and structurePrinciple and structure4.1

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4.2 CurrentsCurrents4.2

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4.3 Efficiency and energy lossesEfficiency and energy losses4.3

4.4 Power transmissionPower transmission4.4

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4.5 PrinciplePrinciple4.5

4.6 StructureStructure4.6

4.7 ActionAction4.7

4.8 Back emfBack emf4.8

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4.9 Comparison: motor and galvanometerComparison: motor and galvanometer4.9

4.10 Comparison: generator and motorComparison: generator and motor4.10

4.11 Typical "give reasons" for this chapterTypical "give reasons" for this chapter4.11

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4.12 Summary of formulasSummary of formulas4.12

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