1
GATE EE 1999
MCQ (Single Correct Answer)
+1
-0.3
A 4-pole lap-wound DC generator has a developed power of P watts and voltage of E volts. Two adjacent brushes of the machine are removed as they are worn out. If the machine operates with the remaining brushes, the developed voltage and power that can be obtained from the machine are
A
E, P
B
E/2, P/2
C
E, P/4
D
E, P/2
2
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
The torque speed characteristic of a Repulsion motor resembles which of the following dc motor characteristic?
A
Separately excited
B
Shunt
C
Series
D
Compound
3
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
Which type of motor is most suitable for computer printer device?
A
Reluctance motor
B
Hysteresis motor
C
Shaded pole motor
D
Stepper motor
4
GATE EE 1996
MCQ (Single Correct Answer)
+1
-0.3
A $$4$$ pole dynamo with wave wound armature has $$51$$ slots containing $$20$$ conductors in each slot. The induced $$emf$$ is $$357$$ volts and the speed is $$5800$$ $$rpm$$. The flux per pole will be
A
$$3.5$$ $$mWb$$
B
$$1.2$$ $$mWb$$
C
$$14mWb$$
D
$$21$$ $$mWb$$
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