electrical craft helper exam questions with correct answers 2026/2027

electrical craft helper exam questions with correct answers 2026/2027 a molecule of matter can be divided chemically into smaller particles called? atoms matter consisting of all the same kind of atoms is called an? element matter consisting of two or more different kinds of atoms is called a? compound the negative charge of a single electron is called a? unit electrical charge most of the mass of an atom is in the? nucleus when an atom gains an electron, it is called? negative ion copper is a good conductor, because the copper atom loosely holds it's? valence gold and silver are good conductor of electricity, because the outer orbits have? one electron when teo negatively charged rods are brought together, they? repel each other one ampere is equal to? 1 coulomb flowing per second what happens when two unlike materials are rubbed together and then separated? one will be positive and the other negative connecting two or more metallic objects with a wire or metal strap is called? bonding grounding minimizes the voltage difference between an object and? ground humidity has no effect in controlling a static charge on the surface of? only liquids. a static charge is generated by liquids when the liquids are? moving and contact other materials the charges on the surface of a liquid in a container can be made harmless if the container is? purged greater static charges are developed on smooth surfaced materials than on rough surfaced materials because of the?