### EE8301 - Electrical Machines - I - Unit-1 Two marks

__Subject Name:__ Electrical Machines - I

__Subject Name:__

__Subject Code:__ EE8301

__Subject Code:__

## B.E. EEE Dept - semester 03

Anna University Regulation 2017 B.E. EEE Dept 3

^{rd}semester EE8301(**Electrical Machines - I**) 2 marks for**1st unit**is provided below.**EE8301**all units**2 marks**,**Electrical Machines - I all units notes**& syllabus are listed down for students to utilize it for scoring maximum marks with our study materials.## 1.Define the term synchronous speed.

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## 2.Write an expression for synchronous speed.

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## 3.What does speed voltage mean ?

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## 4.Mention the factors on which hysteresis loss depends.

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## 5.Distinguish between statically induced and dynamically induced e.m.f.s.

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## 6.Define torque.

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## 7.What are the three types of basic rotating electric machines ?

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## 8.Define Flux Linkage.

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## 9.Define relative permeability.

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## 10.Define m.m.f. and reluctance.

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## 11.What are the causes of core loss ? What are the components of core loss ?

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## 12.Why the core of an electrical machines are laminated ?

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## 13.State the two types of three phase induction motors.

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## 14.What is the method used to reduce the eddy current loss ?

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## 15.Define fringing ?

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## 16.State the factors on which the magnitude of the force experienced by the conductor depends.

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## 17.State Fleming's left hand rule.

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## 18.State right hand thumb rule.

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## 19.Define magnetic flux density.

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## 20.What is magnetic flux ? State its unit.

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## 21.State Coulomb's law.

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## 22.Which are the two types of rotors used in synchronous machines ?

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## 23.State the factors necessary for the dynamically induced e.m.f.

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## 24.State the Faraday's laws of electromagnetic induction.

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## 25.Define self inductance. State its various expressions.

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## 26.What is mutually induced e.m.f. ?

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## 27.What is leakage flux ? How it is incorporated in machine models ?

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## 28.What is hysteresis loss and how can this loss be minimized ?

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## 29.Clearly define the MMF and EMF.

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## 30.What are the core losses and how can this loss be minimzed ?

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## 31.What are quasi-static fields ?

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## 32.Name the main magnetic quantities with their symbols having the following units : Webers, Tesla, AT/Wb, H/m.

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## 33.Mention the materials suitable for fabrication of permanent magnets.

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## 34.Define Stacking factor.

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## Important links:-

EE8301 - Electrical Machines - I - Unit-1 Two marks (Click here)

EE8301 - Electrical Machines - I - Unit-2 Two marks (Click here)

EE8301 - Electrical Machines - I - Unit-3 Two marks (Click here)

EE8301 - Electrical Machines - I - Unit-4 Two marks (Click here)

EE8301 - Electrical Machines - I - Unit-5 Two marks (Click here)

EE8301 - Electrical Machines - I - All unit notes (Click here)

EE8301 - Electrical Machines - I - Unit-2 Two marks (Click here)

EE8301 - Electrical Machines - I - Unit-3 Two marks (Click here)

EE8301 - Electrical Machines - I - Unit-4 Two marks (Click here)

EE8301 - Electrical Machines - I - Unit-5 Two marks (Click here)

EE8301 - Electrical Machines - I - All unit notes (Click here)

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