The formula, NI = 45000/(L/D), is used to calculate the proper magnetising currentfor:

The formula, NI = 45000/(L/D), is used to calculate the proper magneti

1.	The formula, NI = 45000/(L/D), is used to calculate the proper magnetising currentfor:
A.	Prod magnetization
B.	A head shot
C.	A central conductor
D.	Coil magnetisation
Answer» E.