Trivia: What did electricity pioneer Alessandro Volta invent in 1800?
Transistor
Circuit
Arc Lamp
Battery
The correct answer is Battery
So why is this answer correct? : Italian physicist Alessandro Volta invented the battery, the first device to produce a continuous electric current. Originally called the voltaic pile or column, the battery was composed of alternating disks of zinc and silver, separated by a cloth soaked in conductive fluid. The volt — a unit of electromagnetic force — was named after Volta in 1881.