Fact 1: Powering an electrical device with a battery requires a path for electricity to flow through a closed circuit. Fact 2: Today's cellular phones are second-generation devices. Given the two facts above, answer the question "Powering what with a battery requires a path for electricity to flow?" with the following options: - closed - energy - complete - vehicles - engines - a phone - buses - Cars
The answer to this question is:
a phone