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why ct is testing using dc.. y cant we use AC insted of dc
on POLARITY TEST.
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Answer Posted / er dhananjay kumar
Actually in dc genertae constant flux. When we puch on buttons the contant have to travel from one side of ct (p1) to another side of ct (p2) and in this traveling. The flux is cut by ct winding all this event exist for micro second and this will induce a little potential across secondary side and in unidirectional that's why meter sow a little deflection
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