AC MOTOR - Electrical Zindagi AC MOTOR Comprehensive quick notes • Perfect for AE / JE exam revision • English Table of contents Important one-line points (30+) May you like these posts Join us for regular updates Donate & Community Advertisement SEO Keywords Key one-liners & tricks (exam-focused) Each line is a compact fact or mnemonic that appeared frequently in AE/JE papers — quick, memorable, and exam‑friendly. 1. AC motor definition An AC motor converts alternating current electrical power into mechanical torque using rotating magnetic fields — remember: "Alternating creates rotation". 2. Synchronous speed (Ns) Ns (rpm) = 120 × f / P. Quick trick: double frequency or halve poles doubles speed — used often in speed selection problems. ...
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