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Question
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, the effective
Q factor of the series combination at the same operating frequency is
Options:
A .  q1 + q2
B .  (1/q1) + (1/q2)
C .  (q1 R1 + q2 R2)/(R1 + R2)
D .  (q1 R2 + q2 R1)/(R1 + R2)
Answer: Option C


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