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Transformers
For the parallel operation of single phase transformers it is necessary that they should have
same kVA rating
same number of turns on the secondary side.
same efficiency
same polarity
same kVA rating
same number of turns on the secondary side.
same efficiency
same polarity
Answer
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Related Question
Transformers
The secondary of a current transformer is always short-circuited under operating conditions because it
avoids core saturation and high voltage induction
protects the primary circuit
is safe to human beings
None of these
avoids core saturation and high voltage induction
protects the primary circuit
is safe to human beings
None of these
Answer
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Transformers
Transformer breaths in when
load on it increases
load remains constant
None of these
load on it decreases
load on it increases
load remains constant
None of these
load on it decreases
Answer
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Transformers
A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load?
88 V
73 V
880 V
7.3 V
88 V
73 V
880 V
7.3 V
Answer
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Transformers
The highest voltage for transmitting electrical power in india is
66 kV
132 kV
33 kV
400 kV
66 kV
132 kV
33 kV
400 kV
Answer
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Transformers
The eddy current loss in a transformer is directly proportional to _______.
Square of thickness of core lamination
Thickness of core lamination
The supply frequency
The flux density in the core
Square of thickness of core lamination
Thickness of core lamination
The supply frequency
The flux density in the core
Answer
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