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Inductor | Why Current Lags behind Voltage by 90 degrees? (Mathematical Explanation)

Why Current Lags behind Voltage by 90 degrees in an Inductive Circuit? Inductor in its most basic form is a coil of wire wounded around some core material. When current passes through this coil of wire, magnetic flux is generated, which opposes any change in the flow of current. If you compare this with a resistor, a resistance offers a potential drop across it which is directly proportional to the current. However, in a pure inductive circuit, the inductor induces an emf which is opposite to the voltage supply and is proportional to the rate of change of current. This leads to an interesting relationship between the current and voltage, as the phase of the current lags behind the voltage by 90 degrees. “ Truth is the offspring of silence and unbroken meditation. ” — Isaac Newton ------------------------------------------- Support💖  / dibyajyotidas   Donate 🌷 https://paypal.me/FortheLoveofPhysics -------------------------------------------- LINK TO OTHER VIDEOS -------------------------------------------- What is a Geiger Muller Counter? - GM Counter    • Geiger Muller Counter (GM Counter)   The Four Fundamental Forces    • The Four Fundamental Forces   Ehrenfest Theorem | Derivation using Schrodinger's Picture    • Ehrenfest Theorem | DERIVATION using ...   ObtainingTime Independent Schrodinger's Equation from Time Dependent form    • Derive Time Independent SCHRODINGER's...   Can electrons exist inside a nucleus?    • Can electrons exist inside a nucleus?   Electron Wave in Bohr Model of Atom!!    • Electron Wave in Bohr Model of Atom!!...   Newton's Laws of Motion    • Newton's Laws of Motion   Dynamics of a Point Mass Particle | Conservation of Linear/ Angular Momentum/ Energy    • Dynamics of a Point Mass Particle | C...   History of Special Relativity (Part 1) - Galilean Invariance & Maxwell's Equations    • History of Special Relativity (Part 1...   History of Special Relativity (Part 2) - Michelson Morley Experiment    • Michelson Morley Experiment - History...   Special Theory of Relativity    • Special Theory of Relativity   What is Time Dilation? (Thought Experiment)    • What is Time Dilation?  (Thought Expe...   What is Length Contraction? (Thought Experiment)    • What is Length Contraction? (Thought ...   ---------------------------------------------- CHANNEL:    / fortheloveofphysics   ---------------------------------------------- FORWARD YOUR QUESTIONS HERE: http://www.8physics.com/