Amateur Extra › E5 Electrical Principles › E5B09
E5B09
What is the relationship between the AC current through a capacitor and the voltage across a capacitor?
Pick an answer to check it.
Answer: D. Current leads voltage by 90 degrees
In a capacitor, current leads voltage by 90 degrees. The capacitor must charge (current flows) before voltage builds up across it.
Tip: ELI the ICE man: I before E in C.