A 16-year-old student is analyzing the characteristics of an AC signal. She observes that the voltage and current waveform are out of phase with each other. What is the likely cause of this phenomenon?
Q1. A 16-year-old student is analyzing the characteristics of an AC signal. She observes that the voltage and current waveform are out of phase with each other. What is the likely cause of this phenomenon?
Answer: Capacitive coupling
Explanation: The phase difference between voltage and current in a capacitor is a characteristic of capacitive coupling.