Exam Question
(a) Compare Direct current with Alternating current. (6)
(b) A four-pole generator has a flux of 12mWb/pole. Calculate the value of e.m.f. generated in one of the armature conductors, if the armature is driven at 900 rev min (10)
Class 4 (4th Engineer)
MET
📅 May 2023
Reference Answer
### Part (a): Comparison of Direct Current (DC) with Alternating Current (AC) (6 Marks)
A detailed comparison between Direct Current (DC) and Alternating Current (AC) is presented below, highlighting key operational and practical differences.
| Feature | Direct Current (DC) | Alternating Current (AC) |
|-------------------------|------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------|
A detailed comparison between Direct Current (DC) and Alternating Current (AC) is presented below, highlighting key operational and practical differences.
| Feature | Direct Current (DC) | Alternating Current (AC) |
|-------------------------|------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------|
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