1
Q:
| A) Full Load | B) Half Load |
| C) No Load | D) At any Load |
Answer: C) No Load
Explanation:
Explanation:
D.C series motor both armature and feild connected in series at noload condition current drawn by the motor is zero Ia=0 flux also zero. but very small amount of flux avalible because of residual magnetism
in series motor speed = N α Eb/Φ Eb almost conistant
= N α 1/Φ
At no load condition d.c series can be run as dangerously very high so d.c series motor
operated at load condition only
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