Q 01/05

Nikola Tesla is best known for his contributions to which electricity supply system?

A) Direct current

B) Static electricity

C) Alternating current

D) Nuclear power

Answer · why

C) Alternating current

His AC induction motor and polyphase patents, licensed by Westinghouse in 1888, became the backbone of the modern grid and put him on the opposite sid...

Q 02/05

In which present-day country was Nikola Tesla born in 1856?

A) Croatia

B) Serbia

C) Austria

D) Hungary

Answer · why

A) Croatia

Smiljan was then in the Military Frontier of the Austrian Empire.

Q 03/05

Which company licensed Tesla's polyphase induction motor patents in 1888?

A) Westinghouse Electric

B) General Electric

C) Edison Machine Works

D) Thomson-Houston

Answer · why

A) Westinghouse Electric

Westinghouse used the system to win the contract to harness Niagara Falls.

Q 04/05

At which 1898 New York exhibition did Tesla show a radio-controlled boat, his 'telautomaton'?

A) Coney Island

B) Grand Central Palace

C) Madison Square Garden

D) The Crystal Palace

Answer · why

C) Madison Square Garden

It was one of the first wirelessly controlled vehicles ever built. Some spectators suspected a trained monkey inside.

Q 05/05

In which Rocky Mountain city did Tesla set up a high-altitude experimental station in 1899?

A) Denver, Colorado

B) Colorado Springs

C) Cheyenne, Wyoming

D) Santa Fe, New Mexico

Answer · why

B) Colorado Springs

He was studying the conductivity of low-pressure air and produced artificial lightning bolts that reportedly knocked out the local power station.