The word "electricity" is derived from the Greek word "elektron" which translates into the English word for what object? lightning false light false spark false amber true Single What is this device that scientists in the 17th and 18th Century use to collect static electricity for further study? lightning rod false Leyden jar true kite experiment false ohmmeter false Single Who was the first person to infer and propose the existence of positive and negative charges? William Gilbert false Benjamin Franklin true Alessandro Volta false Charles Augustin de Coulomb false Single Two spheres with positively charged surfaces are hanging by a thread from separate poles. What will happen if the two spheres are brought together? A spark would form when the two spheres touch each other false The spheres would move towards each other false The spheres would move away from each other true The spheres would repeatedly swing at regular intervals false Single What is the magnitude of the natural unit of charge? 0 C false 9.1094 x 10_-31 C false 1.6750 x 10-₂₇ C false 1.6022 x 10-₁₉ C true Single The process wherein an atom loses or gains electrons is called? radioactive decay false nuclear fission false polarization false ionization true Single Which of the following substances is a superconductor? copper false silicon false diamond false graphene true Single A plastic comb was vigorously rubbed against denim cloth. Then, it was placed near a net neutral conducting sphere hanging by a thread. Which of the following statements is true if the conducting sphere moves toward the comb? The comb has also a net neutral charge false The comb is positively-charged false The comb underwent induced polarization false The sphere underwent induced polarization true Single Which of the following physical constants has a value of 8.854 x 10_-12 C₂/N·_m2? permittivity of free space true Coulomb's constant false natural unit false charge of the electron false Single Which of the following statements is true about electric charge? Loss in charge in one object means another object nearby gained charge true Positive and negative charges annihilate each other false Positive and negative charges differ in magnitude false An object can only have either positive or negative net charge false Single