Question

how do clouds acquire an electric charge

Answer 1

positively charged particles form at the top of the cloud. Heavier, negatively charged particles sink to the bottom of the cloud. When the positive and negative charges grow large enough, a giant spark - lightning - occurs between the two chargeswithin the cloud.

Answer 2

Answer-

Explanation: as the vapour rises and mixed with dirt,ice and other materials during ascent of cloud.As the cloud get filled negative particles and become heaver and it moves to bottom and move in random manner. When a cloud with positive charge and cloud with negative charge collides each other the current generates.

This how it works