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Transformers
In a transformer the resistance between its primary and secondary is
Infinite
Zero
1000 ohms
1 ohm
Infinite
Zero
1000 ohms
1 ohm
Answer
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Related Question
Transformers
The primary and secondary windings are wound on the top of each other in order to reduce ______
Copper losses
Leakage reactance
Winding resistance
Iron losses
Copper losses
Leakage reactance
Winding resistance
Iron losses
Answer
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Transformers
Primary winding of a transformer
None of these
is always a high voltage winding
could either be a low voltage or high voltage winding
is always a low voltage winding
None of these
is always a high voltage winding
could either be a low voltage or high voltage winding
is always a low voltage winding
Answer
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Transformers
The principle of working of transformer is
Self induction
Mutual induction
Dynamic induction
Static induction
Self induction
Mutual induction
Dynamic induction
Static induction
Answer
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Transformers
Power transformers are generally designed to have maximum efficiency around
half-load
near full-load
10% overload
no-load
half-load
near full-load
10% overload
no-load
Answer
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Transformers
The turns ratio required to match an 80 source to a 320 load is
4
80
2
20
4
80
2
20
Answer
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