For a D.C. shunt motor if the excitation is changed
A) torque will remain constant
B) torque will change but power will remain constant
C) torque and power both will change
D) torque, power and speed, all will change
Correct Answer:
Verified
Q1: If I2 be the armature current, then
Q2: In case the back e.m.f. and the
Q3: At the instant of starting when a
Q4: The speed of a D.C. motor can
Q5: Which one of the following is not
Q7: Which motor has the poorest speed control?
A)Differentially
Q8: The plugging gives the
A)zero torque braking
B)smallest torque
Q9: The armature voltage control of D.C. motor
Q10: If a D.C. motor designed for 40°C
Q11: If the terminals of armature of D.C.
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