The iron core in transformer provides _____________ path to main flux
The iron core in transformer provides _____________ path to main flux:
- Low reluctance
- High reluctance
- High conductivity
- Low resistance
Correct answer: 1. Low reluctance
The core flux of practical transformer with the resistance load
The core flux of practical transformer with the resistance load:
- Increases with load
- Decreases with load
- Increase as parabolic function of load
- Is constant with load changes
Correct answer: 4. Is constant with load changes
The flux created by the current flowing through primary winding induces EMF in
The flux created by the current flowing through primary winding induces EMF in:
- Primary winding only
- Secondary winding only
- Both of these
- None of these
Correct answer: 3. Both of these
Copper losses are constant power losses
Copper losses are constant power losses:
- True
- False
Correct answer: 2. False
The core losses are negligible during
The core losses are negligible during:
- Open circuit test
- Short circuit test
Correct answer: 2. Short circuit test
More Questions by Parts on Transformers:
- Transformer MCQ Questions Part 1
- Transformer MCQ Questions Part 2
- Transformer MCQ Questions Part 3
- Transformer MCQ Questions Part 4
- Transformer MCQ Questions Part 5
- Transformer MCQ Questions Part 6
- Transformer MCQ Questions Part 7
- Transformer MCQ Questions Part 8