Direct current (DC) was a type of electric current, favoured by Thomas Edison. Nikola Tesla considered it to be slow and inefficient compared to his preferred alternating current. (TV: Nikola Tesla's Night of Terror)
Advertisement
New to Doctor Who or returning after a break? Check out our guides designed to help you find your way!
READ MORE
Direct current (DC) was a type of electric current, favoured by Thomas Edison. Nikola Tesla considered it to be slow and inefficient compared to his preferred alternating current. (TV: Nikola Tesla's Night of Terror)