What is arc and what is spark?

What is arc and what is spark?
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1 Answer

Answer :

Spark - the heat produced that ignites, due to the rubbing of two metals is called the spark.

Arc – the electrical discharge between two electrodes is called the arc. Arc is the self-sustained discharge of electricity between electrodes in a gas or vapour, which has a high voltage discharge at the cathode.  
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Related questions

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