For the transformer shown in Figure P18.18,
N = 1,000 turns, l1 = 16 cm, A1 = 4 cm2, l2 = 22 cm,
A2 = 4 cm2, l3 = 5 cm, and A3 = 2 cm2. The relative permeability of the material is ?r = 1,500.
a. Construct the equivalent magnetic circuit, and find the reluctance associated with each part of the circuit.
b. Determine the self-inductance and mutual inductance for the pair of coils (that is, L11, L22, and
M = L12 = L21).
Analysis:
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