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Spark Plugs - Scootergrisen

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Reference<br />

Self-induction<br />

action<br />

When you change the current flowing<br />

through one coil, its magnetic flux also<br />

changes and induced electromotive<br />

power is generated in the coil.<br />

This phenomenon is called self-induction<br />

action. The induced electromotive power<br />

works to obstruct the change in the<br />

current.<br />

Therefore, when current is passed<br />

through a coil, the self-induction action<br />

works to obstruct that current, so it<br />

takes time for the current to flow into<br />

the coil.<br />

This phenomenon is called the primary<br />

current rise time.<br />

1<br />

Switched off<br />

Switched on<br />

2<br />

1<br />

<strong>Spark</strong> <strong>Plugs</strong><br />

Current 2 Counter-electromotive force due to self-induction<br />

36<br />

Chapter 3 Basics of Ignition

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