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Given the inductor of inductance 5mH 10mH and 2... - JAMB Physics 2008 Question

Given the inductor of inductance 5mH, 10mH and 20mH connected in series, the effective inductance is
A
0.35mH
B
3.50mH
C
2.90mH
D
35.0mH
correct option: d
Left = L1 + L2 + L3
= 5mH + 10mH + 20mH = 35mH
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