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The speed of a dc motor is | |
A. | directly proportional to back emf and flux. [Wrong Answer] |
B. | directly proportional to its back emf and inversely proportional to flux. [Correct Answer] |
C. | inversely proportional to both hack emf and flux. [Wrong Answer] |
D. | directly proportional to flux and inversely proportional to back emf. [Wrong Answer] |