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If the terminal voltage of a dc shunt motor is halved with the load
torque varying as the square of speed, then
1 speed is halved.
2 speed remains unaltered.
3 armature current is doubled.
4 armature current remains unaltered.
Of these statements, Options are ⇒ (A) 1 and 3 are correct., (B) 1 and 4 are correct., (C) 2 and 3 are correct., (D) 2 and 4 are correct., (E) , Leave your comments or Download question paper.
Consider the following statements: If the terminal voltage of a dc shunt motor is halved with the load torque varying as the square of speed, then 1 speed is halved. 2 speed remains unaltered. 3 armature current is doubled. 4 armature current remains unaltered. Of these statements | |
A. | 1 and 3 are correct. [Wrong Answer] |
B. | 1 and 4 are correct. [Wrong Answer] |
C. | 2 and 3 are correct. [Correct Answer] |
D. | 2 and 4 are correct. [Wrong Answer] |