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| Q. |
If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens |
| A. | this will make armature to take heavy current, possibly burning it |
| B. | this will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses |
| C. | nothing will happen to motor |
| D. | motor will come to stop |
| Answer» A. this will make armature to take heavy current, possibly burning it | |
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