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Question
In a power or distribution transformer about 10 per cent end turns are heavily insulated
Options:
A .  to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns
B .  to absorb the line surge voltage and save the winding of transformer from damage
C .  to reflect the line surge and save the winding of a transformer from damage
D .  none of the above
Answer: Option A

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