Which of the following spark plug increases the resistance to increase the voltage required to jump across the spark plug gap?

Which of the following spark plug increases the resistance to increase the voltage required to jump across the spark plug gap? Correct Answer Resistor spark plug

The center electrode contains a built-in resistance in series with the electrode. This resistance also increases the plug life by cutting down peak currents that would burn the electrodes. The resistance increases the voltage required to jump across the spark plug gap. Such plugs are called resistor spark plugs.
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