Exam-style question
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What is resonance in an LC circuit?.
- A.The condition where the inductive reactance equals the capacitive reactance
- B.The maximum current flow in the circuit
- C.The minimum voltage across the circuit
- D.The point where energy is dissipated as heat
Model answer
What a good answer should say
- The condition where the inductive reactance equals the capacitive reactance
Explanation
Why this works
Resonance in an LC circuit occurs when the inductive reactance (XL) equals the capacitive reactance (XC), resulting in maximum current flow at a specific frequency. This condition allows the circuit to oscillate at its natural frequency.
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