Answer / dharamveer yadav

HARMONICS IS THE DISTORTION OF WAVEFORM OR WE CAN SAY THAT
WHICH AFFECT PROPER WORKING OF A.C. DEVICES .

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why voltage is low at reciving end in summer??

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how many types of grounding?

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In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 Answers  

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