MCQOPTIONS
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| 1. |
A simple electric motor has an armature resistance of \[1\Omega ~\] and runs from a dc source of 12 volt. When running unloaded it draws a current of 2 amp. When a certain load is connected, its speed becomes one-half of its unloaded value. What is the new value of current drawn? |
| A. | 7 A |
| B. | 3 A |
| C. | 5 A |
| D. | 0.166666666666667 |
| Answer» B. 3 A | |