Main causes of noisy solenoid are – McqOptions

MCQOPTIONS

1.	Main causes of noisy solenoid are
A.	strong tendency of fan out of lami-nations at the end caused by repulÂ¬sion among magnetic lines of force
B.	uneven bearing surface, caused by dirt or uneven wear between moving and stationary parts
C.	both of above
D.	none of the above
Answer» D. none of the above

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