An Italian scientist named Alessandro Volta invented the Voltaic pile in 1800. It was able to produce a steady electrical current. Based on this description, what is the modern equivalent of the Voltaic pile?
A B C D
a wire a battery a resistor a light bulb
Question: An Italian scientist named Alessandro Volta invented the Voltaic pile in 1800. It was able to produce a steady electrical current. Based on this description, what is the modern equivalent of the Voltaic pile?
(A) a wire
(B) a battery
(C) a resistor
(D) a light bulb

Answer: (B) a battery
Answer: (A) a wire
Question: An Italian scientist named Alessandro Volta invented the Voltaic pile in 1800. It was able to produce a steady electrical current. Based on this description, what is the modern equivalent of the Voltaic pile?
(A) a wire
(B) a battery
(C) a resistor
(D) a light bulb
Answer: (B) a battery