Which scientist demonstrated electric current?

Which scientist demonstrated electric current?

• A. Albert Einstein
• B. Marie Curie
• C. William Watson
• D. Galileo Galilei

Answer: (C)

Electric current is the continuous flow of electric charge through a conductor when a complete circuit is present. Demonstrating current means showing that charge can move steadily through a circuit, not just produce a single spark. William Watson is recognized for early electrical experiments that established the idea of a sustained current flowing in a circuit. His work helped formalize the concept that electricity can be transmitted and used through conductors, laying groundwork for understanding how circuits carry ongoing current. This foundation is essential for radiologic equipment, where controlled, continuous electron flow powers components and imaging processes. The other figures are known for different achievements—Einstein for relativity and light, Curie for radioactivity, Galileo for astronomy and motion—not for demonstrating electric current in circuits.

Electric current is the continuous flow of electric charge through a conductor when a complete circuit is present. Demonstrating current means showing that charge can move steadily through a circuit, not just produce a single spark.

William Watson is recognized for early electrical experiments that established the idea of a sustained current flowing in a circuit. His work helped formalize the concept that electricity can be transmitted and used through conductors, laying groundwork for understanding how circuits carry ongoing current. This foundation is essential for radiologic equipment, where controlled, continuous electron flow powers components and imaging processes.

The other figures are known for different achievements—Einstein for relativity and light, Curie for radioactivity, Galileo for astronomy and motion—not for demonstrating electric current in circuits.