1.

Which of the following is the correct equation for DC series motor ________

A. [ V<sub>t</sub> / k<sub> </sub>]- [ R<sub>se</sub> +R<sub>a</sub> / k<sub> </sub>] I<sub>a</sub>
B. [ V<sub>t</sub> / k<sub> </sub>]- [ R<sub>a</sub>/ k 2] Ia
C. [ V<sub>t</sub> / k<sub> </sub><sup>2</sup>]- [R<sub>se</sub> +R<sub>a</sub>/ k<sub> </sub><sup>2</sup>] I<sub>a</sub>
D. [ V<sub>t</sub> / k<sub> </sub><sup>2</sup>] + [ R<sub>a</sub>/ k<sub> </sub><sup>2</sup>] I<sub>a</sub>
Answer» B. [ V<sub>t</sub> / k<sub> </sub>]- [ R<sub>a</sub>/ k 2] Ia


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