The Function of an Alternator in an Automobile is to

By BYJU'S Exam Prep

Updated on: September 25th, 2023

The function of an alternator in an automobile is to

A. Supply electric power 
B. Converts mechanical energy into electrical energy 
C. Continually recharges the battery 
D. Partly converts engine power into electric power 

Answer: (C) – Continually recharges the battery

The function of an alternator in an automobile is to continuously recharge the battery.



  • An alternator is a device that converts Rotational mechanical energy into electrical energy.


  • Its works on the principle of electromagnetic induction. It consists of a stater (copper winding) and rotor (magnet)
  • An automobile alternator is used to recharge the battery; apart from this, it continuously supplies electricity to the electrical divide of automobiles like lights, horns, and other electrical devices.

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