- (A) the current on secondary side is negligible
- (B) the voltage on secondary side does not vary
- (C) the voltage applied on primary side is low
- (D) full-load current is not supplied to the transformer
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- (A) Hysteresis losses are reduced
- (B) Saving in winding material
- (C) Copper losses are negligible
- (D) Eddy losses are totally eliminated
- (A) no-load
- (B) half-load
- (C) near full-load
- (D) 10% overload
- (A) Primary winding
- (B) Secondary winding
- (C) Low voltage winding
- (D) High voltage winding
- (A) hysteresis loss
- (B) eddy current losses
- (C) copper losses
- (D) all of the above
- (A) load is balanced only
- (B) load is unbalanced only
- (C) on balanced as well as unbalanced loads
- (D) none of the above
- (A) load is unbalanced only
- (B) load is balanced only
- (C) on balanced as well as unbalanced loads
- (D) none of the above
- (A) Mechanical strength
- (B) Low hysteresis loss
- (C) High thermal conductivity
- (D) High permeability
- (A) special test
- (B) routine test
- (C) type test
- (D) none of the above
- (A) value of transformation ratio remains constant
- (B) permeability of transformer core remains constant
- (C) core flux remains practically constant
- (D) primary voltage remains constant
