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Transformers
A transformer does not posses ______changing property.
Current
Power
Impedance
Voltage
Current
Power
Impedance
Voltage
Answer
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Related Question
Transformers
A shell-type transformer has
None of these
high eddy current losses
reduced magnetic leakage
negligibly hysteresis losses
None of these
high eddy current losses
reduced magnetic leakage
negligibly hysteresis losses
Answer
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Transformers
The dielectric strength of transformer oil is expected to be
lkV
330 kV
33 kV
100 kV
lkV
330 kV
33 kV
100 kV
Answer
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Transformers
What is the coefficient of coupling for a transformer in which 4% of the total flux generated in the primary does not pass through the secondary?
9.6
4
0.96
0.4
9.6
4
0.96
0.4
Answer
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Transformers
A transformer is an efficient device because
Uses inductive coupling
A static device
Uses electric coupling
Uses capacitive coupling
Uses inductive coupling
A static device
Uses electric coupling
Uses capacitive coupling
Answer
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Transformers
A transformer has 200 W as iron loss at full load. The iron loss at full load. The iron loss at half full load will be
100 W
400 W
200 W
50 W
100 W
400 W
200 W
50 W
Answer
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