How an Alternator Works

Find out what's inside a car alternator and just how it works! The alternator on a car is responsible for taking mechanical energy from the engine and turning it into electrical energy to replenish the battery. It is powered by the crank shaft, through the serpentine belt. Inside, the pulley rotates a rotor, which is an electromagnet. When powered, the electromagnet spins relative to stationary coils on the housing, called the stator. Through the right hand rule of physics, we know that as a magnet

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