are used for construction of core of electromagnets.
A) Soft magnetic materials
B) Hard magnetic materials
C) Either (a) or (b)
D) None of the above
Correct Answer:
Verified
Q15: In self cooled motors the cooling time
Q16: By which of the following methods motor
Q17: Which of the following methods does not
Q18: Which of the following methods is most
Q19: By which of the following methods the
Q20: The slot leakage can be calculated by
Q21: The value of exciting or magnetizing current
Q22: Tractive magnets are operated from
A)a.c. supply
B)d.c. supply
C)either
Q23: electromagnets generally function as holding magnets.
A)Tractive
B)Portative
C)Either of
Q24: Which of the following is the commonly
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