Which dc motor will have highest percentage increase in input current for given percentage increase in torque
- A. Series motor
- B. shunt motor
- C. cumulatively compound motor
- D. separately excited motor
Answer: B. shunt motor
Explanation: Shunt motor: T ∝ I (flux constant), so the current rises in the same proportion as torque; in a series motor T ∝ I², so current rises less.