Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated None of these to reflect the line surge and save the winding of a transformer from damage to absorb the line surge voltage and save the winding of transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns None of these to reflect the line surge and save the winding of a transformer from damage to absorb the line surge voltage and save the winding of transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is approximately equal to one less than one great than one None of these approximately equal to one less than one great than one None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The approximate efficiency of a large transformer is 65% 95% 80% 50% 65% 95% 80% 50% ANSWER DOWNLOAD EXAMIANS APP
Transformers If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is 250 W 2.5 W 0 W 25 W 250 W 2.5 W 0 W 25 W ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be fused switched shorted open fused switched shorted open ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary and secondary of a transformer are ______ coupled. Electrically Electrically and magnetically Magnetically None of the listed here Electrically Electrically and magnetically Magnetically None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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