MCQOPTIONS
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| 1. |
In a DC series motor, the e.m.f developed is proportional to _______ |
| A. | N I<sub>a</sub> |
| B. | N I<sub>a</sub><sup>2</sup> |
| C. | N I<sub>a</sub><sup>3</sup> |
| D. | N I<sub>a</sub><sup>.5</sup> |
| Answer» B. N I<sub>a</sub><sup>2</sup> | |