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Transformers
The all day efficiency of a transformer is also called its
Current efficiency
Power efficiency
Energy efficiency
None of the listed here
Current efficiency
Power efficiency
Energy efficiency
None of the listed here
Answer
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Related Question
Transformers
How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V?
90 V
9 V
900 V
0.9 V
90 V
9 V
900 V
0.9 V
Answer
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Transformers
Sumpner's test is conducted on transformers to determine
stray losses
all-day efficiency
temperature
None of these
stray losses
all-day efficiency
temperature
None of these
Answer
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Transformers
When load on a transformer is increased, the eddy current _____
None of the listed here
Remains unchanged
Is increased
Is decreased
None of the listed here
Remains unchanged
Is increased
Is decreased
Answer
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Transformers
The core type transformer is generally suitable for ______
High voltage and small output
High voltage and high output
Low voltage and high output
None of the listed here
High voltage and small output
High voltage and high output
Low voltage and high output
None of the listed here
Answer
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Transformers
A shell-type transformer has
None of these
negligibly hysteresis losses
high eddy current losses
reduced magnetic leakage
None of these
negligibly hysteresis losses
high eddy current losses
reduced magnetic leakage
Answer
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