What is an effect of increasing Q in a series resonant circuit?
The correct answer is C: Internal voltages increase. What is an effect of increasing Q in a series resonant circuit is that internal voltages increase. Higher Q means higher voltages across reactances. For amateur radio operators, this is important for circuit theory. Understanding this helps when designing resonant circuits.
Exam Tip
Increasing Q in series resonant circuit = internal voltages increase. Think 'I'ncreasing 'Q' = 'I'ncreased 'V'oltages. Higher Q means higher voltages across reactances. Not fewer components, not parasitic effects, not phase shift - just increased voltages.
Memory Aid
"Increasing Q in series resonant circuit = internal voltages increase. Think 'I'ncreasing 'Q' = 'I'ncreased 'V'oltages. Higher Q means higher voltages across reactances. Important for circuit theory."
Real-World Application
Increasing Q in a series resonant circuit: An effect is that internal voltages increase. Higher Q means the voltage across the inductor or capacitor is Q times the source voltage. This is the effect - increased internal voltages.
Key Concepts
Why Other Options Are Wrong
Option A: Incorrect. Fewer components needed isn't the effect - increasing Q increases internal voltages. Fewer components isn't the effect.
Option B: Incorrect. Parasitic effects minimized isn't the effect - increasing Q increases internal voltages. Parasitic effects isn't the effect.
Option D: Incorrect. Phase shift becoming uncontrolled isn't the effect - increasing Q increases internal voltages. Phase shift isn't the effect.
题目解析
The correct answer is C: Internal voltages increase. What is an effect of increasing Q in a series resonant circuit is that internal voltages increase. Higher Q means higher voltages across reactances. For amateur radio operators, this is important for circuit theory. Understanding this helps when designing resonant circuits.
考试技巧
Increasing Q in series resonant circuit = internal voltages increase. Think 'I'ncreasing 'Q' = 'I'ncreased 'V'oltages. Higher Q means higher voltages across reactances. Not fewer components, not parasitic effects, not phase shift - just increased voltages.
记忆口诀
Increasing Q in series resonant circuit = internal voltages increase. Think 'I'ncreasing 'Q' = 'I'ncreased 'V'oltages. Higher Q means higher voltages across reactances. Important for circuit theory.
实际应用示例
Increasing Q in a series resonant circuit: An effect is that internal voltages increase. Higher Q means the voltage across the inductor or capacitor is Q times the source voltage. This is the effect - increased internal voltages.
错误选项分析
Option A: Incorrect. Fewer components needed isn't the effect - increasing Q increases internal voltages. Fewer components isn't the effect. Option B: Incorrect. Parasitic effects minimized isn't the effect - increasing Q increases internal voltages. Parasitic effects isn't the effect. Option D: Incorrect. Phase shift becoming uncontrolled isn't the effect - increasing Q increases internal voltages. Phase shift isn't the effect.
知识点
Increasing Q, Series resonant circuit, Internal voltages increase, Q effect
Verified Content
Question from official FCC Extra Class question pool. Explanation reviewed by licensed amateur radio operators.