Practice question

What is the primary function of the alternator in a vehicle's electrical system?

To start the engine by cranking the crankshaft
To convert mechanical energy from the engine into electrical energy to charge the battery and power the vehicle's electrical systems while the engine is running
To store electrical energy for later use
To ignite the air-fuel mixture in the cylinders

Answer: B — To convert mechanical energy from the engine into electrical energy to charge the battery and power the vehicle's electrical systems while the engine is running

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