1. The insulation between the commutator systems is-
a) Glass
(b) Bakelite
(c) Mica
(d) Wood
Answer:(c) Mica
2.What will be total emf, if 4 cell of 1.5V each are connected in series -
a) 3V
b) 9 v
c) 6V
d) 0.375V
Answer:c) 6V
3.Winding of armature of motor, the wire used is-
a) Copper wire
b) fuse wire
c) aluminium wire
d) super enameled insulated copper wire
Answer:d) super enameled insulated copper wire
4. Green coloured cable indicated that-
(a) Phase line
b) Neutral line
c) OK line
d)Earthing connection
Answer:d)Earthing connection
5. Which of the following material has a negative temperature coefficient of resistance?-
a) Brass
b) Copper
c) Carbon
d) Aluminium
Answer:c) Carbon
a) Glass
(b) Bakelite
(c) Mica
(d) Wood
Answer:(c) Mica
2.What will be total emf, if 4 cell of 1.5V each are connected in series -
a) 3V
b) 9 v
c) 6V
d) 0.375V
3.Winding of armature of motor, the wire used is-
a) Copper wire
b) fuse wire
c) aluminium wire
d) super enameled insulated copper wire
Answer:d) super enameled insulated copper wire
4. Green coloured cable indicated that-
(a) Phase line
b) Neutral line
c) OK line
d)Earthing connection
Answer:d)Earthing connection
5. Which of the following material has a negative temperature coefficient of resistance?-
a) Brass
b) Copper
c) Carbon
d) Aluminium
Answer:c) Carbon
Excellent webpage on electrical-engineering having numerous MCQs question on this topic. So this is very good article
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