Quick! when a potassium atom forms an ion, it loses one electron. what is the electrical charge of the potassium ion? a. -1 b. +1 c. -2 d. +2

Which type of circuit is becoming more common in residential electrical design and construction? a. hazardous-area circuit b. three-phase circuit c. 480-volt circuit d. communication circuit

Calculate the capacitance of a system that stores 2.0 x 10^-10c of charge at 100.0 v. use c=q/v. a. 2.0 x 10^-12 f b. 2.0 x 10^-8 f c. 5.0 x 10^11 f d. 5.0 x 10^7 f

What are similarities and differences of reflection, refraction, diffraction and absorption?