# Lead

**Definition:** The condition where the current precedes in time with respect to the voltage in an ac circuit (for example, a capacitive load).

## Related Links

Leading and lagging current – Wikipedia

[TITLE]

AC Circuits | Boundless Physics

AC Inductor Circuits | Reactance and Impedance — Inductive | Electronics Textbook

AC Inductance and Inductive Reactance in an AC Circuit

Phase Relationships in AC Circuits

AC circuits, alternating current electricity

Lead Lag (video) | AC circuit analysis | Khan Academy

Phase Difference and Phase Shift in an AC Circuit

## Related Videos

### Why voltage lags current in a circuit of pure capacitance.

### Concepts of Phase & Phase Difference in AC

### Intro to AC Circuits using Phasors and RMS Voltage and Current | Doc Physics

### AC analysis intro 1

### AC Circuits: Crash Course Physics #36

### Phase Shift in AC Signals

### Why current lags voltage in an inductive circuit.

### Current Leads Voltage demo

### 25 - AC circuits - Phasor diagrams

### Phasor and The Phasor Diagram in AC Circuits Explained

### Leading vs Lagging Circuits - Everything you Wanted to Know for the Electrical Power PE Exam

### AC Circuits Basics, Impedance, Resonant Frequency, RL RC RLC LC Circuit Explained, Physics Problems

### Why voltage lags current in a circuit of pure capacitance.

### Concepts of Phase & Phase Difference in AC

### Intro to AC Circuits using Phasors and RMS Voltage and Current | Doc Physics

### AC analysis intro 1

### AC Circuits: Crash Course Physics #36

### Phase Shift in AC Signals

### Why current lags voltage in an inductive circuit.

### Current Leads Voltage demo

### 25 - AC circuits - Phasor diagrams

### Phasor and The Phasor Diagram in AC Circuits Explained

### Leading vs Lagging Circuits - Everything you Wanted to Know for the Electrical Power PE Exam

### AC Circuits Basics, Impedance, Resonant Frequency, RL RC RLC LC Circuit Explained, Physics Problems