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1. which type of transformer connection is preferred in
case of power supply transformers?
(A) Star/Star
(B) Delta/Delta
(C) Star/Delta
(D) Zig Zag/Star
2. In a power transformer usuall which winding is closer to
the core?
(A) Primary winding
(B) Secondary winding
(C) Low Voltage winding
(D) High Voltage winding
3. The power factor of a purely inductive load is
(A) Zero
(B) Lagging
(C) Leading
(D) Unity.
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Answer Posted / nadhagopal
star to delta
lagging for pure inductive
leading for pure capcitive
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