Final answer:
The best way to express the given sentence in active voice is: 'I was jolted back to life when I electrocuted myself with a car battery.'
Step-by-step explanation:
The best way to express the given sentence in active voice is: I was jolted back to life when I electrocuted myself with a car battery. In active voice, the subject of the sentence performs the action. Here, the subject 'I' performs the action of 'electrocuting myself', and the sentence is structured as 'Subject + Verb + Object'.
Learn more about Active voice sentence construction