What component of the ignition system changes low voltage to high voltage?
Question
What component of the ignition system changes low voltage to high voltage?
Solution
The component of the ignition system that changes low voltage to high voltage is the ignition coil. Here are the steps of how it works:
- The battery provides low voltage electricity to the ignition coil.
- The ignition coil consists of two coils of wire (primary and secondary) wound around an iron core. The primary coil, connected to the battery, generates a magnetic field.
- When the vehicle's electronic control module interrupts the current to the primary coil, the magnetic field collapses.
- This rapid collapse of the magnetic field induces a high voltage in the secondary coil.
- This high voltage (up to 50,000 volts or more) from the secondary coil is then directed to the distributor.
- The distributor routes the high voltage to the correct spark plug at the right time, which ignites the fuel-air mixture in the engine's combustion chambers.
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