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In tapped field control method ____________(a) A variable resistor is connected in parallel(b) A variable resistor is connected in series(c) Field winding is made with more out pins(d) Another field winding is added with the previous oneI had been asked this question in examination.This interesting question is from Speed Control Using Field Control of Series Motor topic in portion DC Motors of DC Machines |
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Answer» The correct option is (c) Field winding is made with more out pins |
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