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Transformers
No-load current of a transformer has
has small magnitude and high power factor
has high magnitude and low power factor
has small magnitude and low power factor
has high magnitude and high power factor
has small magnitude and high power factor
has high magnitude and low power factor
has small magnitude and low power factor
has high magnitude and high power factor
Answer
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Related Question
Transformers
A transformer does not posses ______changing property.
Voltage
Current
Impedance
Power
Voltage
Current
Impedance
Power
Answer
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Transformers
The primary winding of a power transformer should always be
shorted
fused
switched
open
shorted
fused
switched
open
Answer
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Transformers
If a transformer has 50 turns in the primary winding and 10 turns in the secondary winding, what is the reflective resistance if the secondary load resistance is 250 ?
6250 Ω
250 Ω
25 Ω
62500 Ω
6250 Ω
250 Ω
25 Ω
62500 Ω
Answer
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Transformers
Which winding in a transformer has more number of turns?
High voltage winding
Primary winding
Low voltage winding
Secondary winding
High voltage winding
Primary winding
Low voltage winding
Secondary winding
Answer
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Transformers
In which of the following transformer part of primary winding also serves as the secondary winding?
Step-up transformer
Auto transformer
Potential transformer
Current transformer
Step-up transformer
Auto transformer
Potential transformer
Current transformer
Answer
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