How much voltage does 4 oranges produce?

For generating electricity, there must be a power source present and a total circuit. In order to generate electricity from citcrus fruit circuit, it is necessary to have materials like wire, a small bulb, lemon fruit, and two metal elements. The power source in this circuit is the lemon fruit. The metals that are taken here in this experiment are zinc and copper.

Explanation:

i believe the answer is a.