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Summary (Cont.) The rotor generates a back emf in the operation of a motor that reduces the applied voltage. The following relationship exists: Applied voltage – back emf = net voltage V – E b = IR Motor
CONCLUSION: Chapter 31A Electromagnetic Induction
- 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 and 16: The AC Generator • An alternating
- Page 17 and 18: Calculating Induced EMF Rectangular
- 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: Summary (Cont.) The ac generator is
Summary (Cont.)<br />
The rotor generates a back<br />
emf in the operation of a<br />
motor that reduces the<br />
applied voltage. The<br />
following relationship exists:<br />
Applied voltage – back emf<br />
= net voltage<br />
V – E b = IR<br />
Motor
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