Physics · Alternating Current
In an AC circuit consisting only of an ideal capacitance connected to an alternating emf generator Eg = Eg0 sin(ωt), what is the phase relationship between the voltage VC and current IC?
- 1Current leads voltage by 180°
- 2Current and voltage are in the same phase
- 3Voltage leads current by 90°
- 4Current leads voltage by 90°✓
Correct answer
Current leads voltage by 90°
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