In the circuit shown, what is the reluctance (R) as seen from coil N1?

1.	In the circuit shown, what is the reluctance (R) as seen from coil N1?
A.	R = (Rg1 \|\| Rg2) + Rg
B.	R = (Rg1 + Rg2) \|\| Rg3
C.	R = Rg1 + Rg2 + Rg3
D.	R = Rg1 + (Rg2 \|\| Rg3)
Answer» E.

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In the circuit shown, what is the reluctance (R) as seen from coil N1?

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