If N is the speed of a dc series motor and I_{a} is the armature current then

A. N ∝ 1/I_{a}

B. N ∝ I_{a}

C. N ∝ I_{a}^{2}

D. N ∝ 1/I_{a}^{2}

## Show Answer

Answer: A

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If N is the speed of a dc series motor and I_{a} is the armature current then

A. N ∝ 1/I_{a}

B. N ∝ I_{a}

C. N ∝ I_{a}^{2}

D. N ∝ 1/I_{a}^{2}

Answer: A

Share your understanding of this question with the correct explanation.