What can happen when a positively charged lead goes to the ground?

When a positively charged lead goes to the ground, a short circuit may occur because it creates a direct path for electric current to flow. This can happen if the electrical potential on the lead is significantly higher than that of the ground. When the charge finds a return path through the grounding material, it can lead to an uncontrolled surge of electricity. This situation can result in a short circuit, which may cause excessive heat, damage to electrical components, or even create a fire hazard, depending on the amount of current involved and the conditions surrounding the circuit at that moment.

The other outcomes, like extinguishing a fire, completing the circuit, or causing the lead to become neutral, do not directly address what typically occurs with a positively charged lead reaching the ground under the context of electrical circuits and safety. Instead, the most relevant and immediate concern is the potential for a short circuit given the nature of electrical wiring and grounding.