Multiple choice

Who discovered alternating currents of electricity?

  1. Jonas Salk

  2. Michael Faraday

  3. George Washington Carver

  4. Nikola Tesla

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nikola Tesla was a brilliant inventor and electrical engineer who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.