Electrical Engineering > GATE 2013 SET-1 > AC Circuits
Two magnetically uncoupled inductive coils have Q factors q1 and q2 at the chosen operating frequency. Their respective resistances are R1 and R2. When connected in series, their effective Q factor at the same operating frequency is
A
q1·R1 + q2·R2
B
q1/(q1/R1 + q2/R2)
C
(q1·R1 + q2·R2) / (R1 + R2)
D
q2·R1 + q1·R2

Correct :

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