Fact 1: Electrical current running through a wire causes that wire to heat up. Fact 2: Then the total current and Joule heating are solved. Given the two facts above, electrical current running through a wire causes an increase in what?
Options: I. warmth. II. speed. III. Joules. IV. water current. V. energy. VI. toughness. VII. distance. VIII. lightning.
Answer:
III.