This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Joule burn is characteristic of? 
Select and explain. 
A. Thermal burns, B. Lightening, C. Electrocution, D. Firearm injury
C: Electrocution
Answer: C: Electrocution 
Explanation: Joule burn is seen in electrocution. It occurs on firm contact with low voltage current.