Tractive magnets are operated from____________?
Correct answer: C. either a.c. or d.c. supply
- A. a.c. supply
- B. d.c. supply
- C. either a.c. or d.c. supply
- D. none of the above
Explanation
Tractive magnets produce linear pulling or holding force and may be designed for either AC or DC operation. AC versions commonly use shading arrangements to prevent the force from falling to zero during each cycle.
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