A laminated steel ring is wound with 200 turns. When the magnetizing current varies between 5 and 7 A, the magnetic flux varies between 760 and 800 ‚Äö√Ñ√∂‚àö‚Ä†¬¨¬• Wb. Calculate the incremental inductance of the coil.$

A laminated steel ring is wound with 200 turns. When the magnetizing c

1.	A laminated steel ring is wound with 200 turns. When the magnetizing current varies between 5 and 7 A, the magnetic flux varies between 760 and 800 ‚Äö√Ñ√∂‚àö‚Ä†¬¨¬• Wb. Calculate the incremental inductance of the coil.$
A.	40H
B.	40mH
C.	0.004H
D.	0.004mH
Answer» D. 0.004mH