Question
Jan Villaroel
Topic: Physics Posted 1 year ago
An alternator drives current through the battery to recharge it. What kind of device is it and where does it get the energy that is carried by the current into the battery?

An alternator drives current through the battery to recharge it. What kind of device is it and where does it get the energy that is carried by the current into the battery?


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Koala Tutor
Aug 28, 2023
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An alternator is an electrical generator that converts mechanical energy into electrical energy. Specifically, it uses the principle of electromagnetic induction to produce alternating current (AC). The energy required to turn the alternator is typically provided by an engine or a turbine, and this mechanical energy is then converted into electrical energy by the alternator.

In the case of recharging a battery, the alternator uses this electrical energy to create a current that flows into the battery, replenishing its charge. The energy carried by the current into the battery comes from the mechanical energy used to rotate the alternator.

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