DGVCL Exam Paper (11-12-2011)
It is difficult interrupt a capacitive current because

Current magnitude is very small
The restriking voltage can be high
Stored energy in the capacitor is very high
It has a leading power factor

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DGVCL Exam Paper (11-12-2011)
Distribution transformers have good all day efficiency due to

Low copper as well as iron loss
Low iron loss
Low voltage
Low copper loss

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