Pure, deionized water is a very poor conductor. What makes tap water conductive?

The presence of dissolved oxygen

Dissolved salts and minerals (ions)

What is the primary function of an insulator in an electrical circuit?

To increase the flow of current

Trivia · Knowledge

Test your knowledge on the fundamental properties of materials that conduct or resist the flow of electricity.0 takes

Preview · 10 questions

01Which of the following materials is an excellent electrical conductor?
02What property of a material makes it a good electrical conductor?
03Which material is commonly used as an electrical insulator to coat wires?
04The property of a material that opposes the flow of electric current is known as what?
05Among the following common metals, which is the single best electrical conductor at room temperature?
06A material like silicon, whose conductivity is between that of a conductor and an insulator, is called a what?
07Pure, deionized water is a very poor conductor. What makes tap water conductive?
08What is the primary function of an insulator in an electrical circuit?
09What is the standard unit of measurement for electrical resistance?
10A material that exhibits zero electrical resistance when cooled below a certain critical temperature is known as a what?