What is an example of an inductor used in a magneto?

• A. The Capacitor
• B. The Resistor
• C. The Diode
• D. The Coil

Answer: (D)

An inductor stores energy in a magnetic field created by current flowing through a coil. In a magneto, that coil is the inductive element that generates the high voltage needed for the spark. As the magnet rotor passes by, the magnetic flux through the coil changes, and the changing flux induces a voltage in the secondary winding. This transformer-like action delivers the high-voltage spark to the spark plug. The coil is typically wound around a magnetic core to concentrate the field and improve energy transfer. Capacitors, resistors, and diodes have other roles in circuits and do not serve as the inductive element used to generate the spark in a magneto.