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The resistance of NVC is _______

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in DC Machines by (506k points)
The resistance of NVC is _______

(a) Small

(b) Large

(c) Infinite

(d) Zero

The question was asked in unit test.

My doubt is from Starting of DC Motors in section DC Motors of DC Machines

1 Answer

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Best answer
Right answer is (a) Small

Explanation: The resistance of no volt coil (NVC) is small. NVC resistance forms a part of field resistance when resistor rotating handle of three-point starter is moved from min. to max. position. Starting resistance is also added to the field circuit.

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