The speed of a D.C. shunt motor can be increased by
A. increasing the resistance in armature circuit
B. increasing the resistance in field circuit
C. reducing the resistance in the field circuit
D. reducing the resistance in the armature circuit
Answer:B
The speed of a D.C. shunt motor can be increased by
A. increasing the resistance in armature circuit B. increasing the resistance in field circuit C. reducing the resistance in the field circuit D. reducing the resistance in the armature circuit