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Operation of AC Generator I=0 I=0
Calculating Induced EMF Rectangular loop a x b Each segment a has constant velocity v. a n B b Area A = ab . n q b/2 q x B v Both segments a moving with v at angle q with B gives emf: E= Bavsin q; vwr w b 2 E T 2Ba w sinq b 2 E BAwsin q T v = wr q r = b/2 v sin q n x q B v
Page 1 and 2: Electromagnetic Induction
Page 3 and 4: Induced Current When a conductor mo
Page 5 and 6: Magnetic Flux Density • Magnetic
Page 7 and 8: Example 1: A current loop has an ar
Page 9 and 10: Example 2: A coil has 200 turns of
Page 11 and 12: Example 3: Use Lenz’s law to dete
Page 13 and 14: Motional EMF in a Wire Force F on c
Page 15: The AC Generator • An alternating
Page 19 and 20: Example 5: An ac generator has 12 t
Page 21 and 22: The Electric Motor In a simple elec
Page 23 and 24: Example 6: A series-wound dc motor
Page 25 and 26: Summary (Cont.) Lenz’s law: An in
Page 27 and 28: Summary (Cont.) The ac generator is
Page 29: CONCLUSION: Chapter 31A Electromagn

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