A cast-iron ring wound with 500 turns coil and M.M.F is 7500 AT, then – McqOptions

MCQOPTIONS

1.	A cast-iron ring wound with 500 turns coil and M.M.F is 7500 AT, then the value of exciting current to produce required flux will be:
A.	5 A
B.	10 A
C.	15 A
D.	20 A
Answer» D. 20 A

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