EC > GATE 2013 SET-4 > Quality Factor
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 + q2
B
(1/q1) + (1/q2)
C
(q1R1 + q2R2)/(R1 + R2)
D
(q2R1 + q1R2)/(R1 + R2)

Correct : c

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