Electromagnetic Induction
Unit 11 overview: Electromagnetic Induction
5 min read 2 parts Lesson 1 of 6 Unit quiz
Section 1 of 2Unit cover
Section 2 of 2Lessons in this unit
| Topic | Lessons |
|---|---|
| 11.1 Electromagnetic Induction | 11.1.1 Factors Affecting EM Induction 11.1.2 Transformers 11.1.3 The National Grid 11.1.4 The Ideal Transformer Equation |
Transformer Golden Equations
Physics Standard
Transformer Turns Ratio & Efficiency
Ratio: Vp / Vs = Np / Ns = Is / Ip
- Step-up reduces grid thermal loss (
P = I2R). - Laminated core prevents eddy currents.