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Electric Discharge in a gas lighter

We know that in gas lighter used to light a stove in the kitchen, spark is produced by piezoelectric effect. The Anode is in the form of a rod and the cathode is a cylinder. My question is, is the spot where the spark hits the cathode random ? (Since cathode is circular,the spark has equal probability of hitting any where on the circle) or is it dependent on any other factor.

Asked Rakesh Khanna A

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