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# GE6252 BEEE Important Questions, Basic Electrical Electronics Engg Answer Key

## GE6252 BEEE Important Questions

Anna University Regulation 2013 MECH GE6252 BEEE Important Questions with Answer Key and MECH 2nd SEM GE6252 Basic Electrical Electronics Engg   Answer Key is listed down for students to make perfect utilization and score maximum marks with our study materials.

UNIT II – ELECTRIC MACHINES

PART A

1. Discuss the terms with appropriate formula for Faraday’s law of Electromagnetic (BLT-2) Induction and Lenz Law.

2. Distinguish the difference between DC Motor and DC Generator. (BLT-2)

3. Explain the principle of operation of DC Motor. (BLT-4)

4. Define the term back emf or counter emf and state its significance (BLT-1)

5. Formulate the emf equation for (i) DC Generator (ii) Transformer (BLT-2)

6. In DC Generator, 8 poles, lap wound armature rotated at 350rpm to generate 260V, the useful flux/pole is 0.05Wb. If the armature has 120 slots. Calculate the (BLT-3) number of conductors per slot.

7. With suitable formula explain the following terms (i) Turn ratio of transformer (ii) Voltage regulation of Transformer. (BLT-4)

8. List the different main constructional elements of DC Machine (BLT-1)

9. Define the following terms in DC Machine (i) Commutator (ii) Brushes (BLT-1)

10. Define critical speed and critical resistance of a dc generator. (BLT-1)

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Anna University MECH BEEE Important Questions Regulation 2013

GE6252 Answer Key, BEEE Unit wise Important Questions- MECH 2nd Semester