Electrical Circuits Questions & Answers

Electrical Circuits Questions & Answers ____ is any substance that has mass and occupies space. - ANSWER: Matter ____ is the rate of doing work or the rage at which energy is used or dissipated - ANSWER: Power _____ is a statement of the relationship between current, voltage, and resistance in an electrical circuit. - ANSWER: Ohms law A ___ is a component that normally opposes current flow in a DC circuit - ANSWER: Resistor a ____ is a drawing in which symbols are used to represent the components in a system - ANSWER: Schematic A ____ is an electro-mechanical component used as a switching device - ANSWER: Relay A ____circuit has only one route for current flow - ANSWER: Series A device containing one or more coils of wire wrapped around a common core is call a____ - ANSWER: transformer A resistor with a color code of yellow, orange, red, and silver has a tolerance of - ANSWER: ohms A type of subatomic particle with a positive charge is a(n) ____ - ANSWER: Proton All conductors have ___ - ANSWER: Some resistance Ammeters measure - ANSWER: Current An ___ is a material through which it is difficult to conduct an electric current - ANSWER: Insulator An ____is a negatively charged particle that orbits the nucleus of an atom - ANSWER: Electron