Alternating current

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Curated by: Khan Academy India - English (20 videos)

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Tracks in this Playlist

• LCR resonance & resonant frequency | A.C. | Physics | Khan Academy
• LCR frequency response & quality | A.C. | Physics | Khan Academy
• Transformers - working & applications (step up and step down) | A.C. | Physics | Khan Academy
• Transformer currents & energy losses (intuition) | A.C. | Physics | Khan Academy
• AC voltage applied to resistors | Alternating currents | Physics | Khan Academy
• AC voltage across pure inductor (derivation) | Alternating current | Physics | Khan Academy
• Why current lags voltage in inductors (logic) | Alternating currents | Physics | Khan Academy
• AC voltage across a capacitor (derivation) | Alternating currents | Physics | Khan Academy
• Why current leads voltage in a capacitor (logic) | Alternating currents | Physics | Khan Academy
• What is RMS value? (& why should we care?) | Alternating currents | Physics | Khan Academy
• Sine wave RMS value - derivation (without calculus) | Alternating current | Physics | Khan Academy
• Reactance, resistance, & impedance (what's the difference?) | Alternating current | Khan Academy
• Phasor diagram (& its applications) | Alternating currents | Physics | Khan Academy
• What is power factor? (Power in AC circuits) | Alternating current | Physics | Khan Academy
• Worked example: Voltage in a series LCR Circuit | AC | Physics | Khan Academy
• Worked example: Phase difference between voltage and current in AC | Physics | Khan Academy
• Worked example: Impedance in series LCR circuit | AC | Physics | Khan Academy
• Worked examples: Phase angle in a series LCR Circuit | AC | Physics | Khan Academy
• Worked examples: Resonance frequency in LCR circuits | AC | Physics | Khan Academy
• Example: Relating Phasor diagrams with equations | Unit | Subject | Khan Academy