☰ 🔍
🖊️Ask a Question
Electrical Engineering

The induced emf in the armature of a lap -wound four -pole dc machine having 100 armature conductors

by 242 views
The induced emf in the armature of a lap -wound four -pole dc machine having 100 armature conductors rotating at 600 rpm and with 1 Wb flux per pole is 

(1) 1000V (2) 100V (3) 600V (4) 10,000V
0 like 0 dislike

1 Answer

by

The induced emf in the armature of a lap -wound four -pole dc machine having 100 armature conductors rotating at 600 rpm and with 1 Wb flux per pole is 1000V

0 like 0 dislike

Related questions

by anonymous asked Mar 20, 2018 130 views
When the armature of a D.C. motor rotates, e.m.f. induced is


Answer : When the armature of a D.C. motor rotates, e.m.f. induced is back e.m.f. ...

View solution
0 like 0 dislike
1 answer
by anonymous asked May 8, 2018 86 views
A 200 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2

A 200 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2 Ohm. If the machine is now operated as a motor at same terminal voltage and current but with the flux increased by 10%, the ratio of motor speed to generator speed is
Answer : A 200 V DC machine supplies 20 A at 200 V as a generator. The armature resistance is 0.2 Ohm. If the machine is now operated as a motor at same terminal voltage and current but with the flux increased by 10%, the ratio of motor speed to generator speed is 0.87 ...

View solution
0 like 0 dislike
1 answer
by anonymous asked Apr 29, 2018 553 views
Aluminium is not used as winding wire for the armature of a dc machine because

Aluminium is not used as winding wire for the armature of a dc machine because  (1) aluminium has low resistivity (2) a large winding space is taken by aluminium conductors and creates ... ) the thermal conductivity of aluminium is low (4) aluminium has low conductivity as compared to copper
Answer : Aluminium is not used as winding wire for the armature of a dc machine because  (2) a large winding space is taken by aluminium conductors and creates jointing problems (3) the thermal conductivity of aluminium is low (4) aluminium has low conductivity as compared to copper ...

View solution
0 like 0 dislike
1 answer
by anonymous asked May 3, 2018 397 views
A 36 slot, 4 -pole, dc machine has a simplex lap winding with two conductors per slot. The back pitch and

A 36 slot, 4 -pole, dc machine has a simplex lap winding with two conductors per slot. The back pitch and front pitch adopted could be respectively
Answer : A 36 slot, 4 -pole, dc machine has a simplex lap winding with two conductors per slot. The back pitch and front pitch adopted could be respectively 19,17 ...

View solution
0 like 0 dislike
1 answer
by anonymous asked May 25, 2018 66 views
The induced emf in the armature of a wave wound 4-pole d.c. machine having 100 armature conductors

The induced emf in the armature of a wave wound 4-pole d.c. machine having 100 armature conductors rotating at 600 r.p.m. and with a flux of 1 Wb per pole is (a) 1000 V (b) 2000 V (c) 200 V (d) 100 V

View solution
0 like 0 dislike
0 answers

50.5k questions

47.1k answers

240 comments

7.0k users

© 2025 Question Answer