Question

why does green spot occur on the potato when electric current is passed through it?

Answer 1

$<b><i>$ hey mate

here's your answer,

it is because , it shows that the potato can conduct electricity easily and the spot represents that the chemical effect on potato . it means that when we pass current from positive terminal to negative terminal, the potato goes into the process called $\red{electrolysis}$, and the greenish spot represents the chemical effect on the potato by passing electricity through that ...

$<marquee direction="up" behavior="alternate" style="height:100px">hope it helps you</marquee>$