Key Concepts in Electricity

The rate of flow of electricity

Electronic equipment that increases strength of signals passing through it

<p>The smallest component of an element having the chemical properties of the element</p> Signup and view all the answers

<p>Opposite charges</p> Signup and view all the answers

<p>A device that converts chemical energy into electrical energy</p> Signup and view all the answers

<p>A circuit in which the switch is turned to the 'on' position, causing there to be no breaks anywhere in the wire</p> Signup and view all the answers

<p>A material that easily allows the flow of electricity</p> Signup and view all the answers

<p>The flow of electric charges through a wire</p> Signup and view all the answers

<p>A flow of electric charge in only one direction</p> Signup and view all the answers

<p>Form of energy caused by moving electrons</p> Signup and view all the answers

<p>A temporary magnet made by passing an electric current through a wire coiled around an iron bar</p> Signup and view all the answers

<p>A subatomic particle that has a negative charge</p> Signup and view all the answers

<p>A measuring instrument that detects electric charge</p> Signup and view all the answers

<p>An engine that converts mechanical energy into electrical energy by electromagnetic induction</p> Signup and view all the answers

<p>A connection between an electrical device and the earth (which is a zero voltage)</p> Signup and view all the answers

<p>A material through which electric current does not pass easily</p> Signup and view all the answers

<p>Abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light</p> Signup and view all the answers

<p>Any material that attracts iron, nickel, or cobalt</p> Signup and view all the answers

<p>The lines of force surrounding a permanent magnet or a moving charged particle</p> Signup and view all the answers

<p>The end of a magnet, where magnetic forces are greatest</p> Signup and view all the answers

<p>Charge carried by electrons</p> Signup and view all the answers

<p>A subatomic particle that has no charge and that is found in the nucleus of an atom</p> Signup and view all the answers

<p>The relationship between voltage, current, and resistance</p> Signup and view all the answers

<p>A circuit that has a broken path so that no electric current can flow through it</p> Signup and view all the answers

<p>A circuit in which electric current can follow more than one path</p> Signup and view all the answers

<p>Charge carried by protons</p> Signup and view all the answers

<p>A subatomic particle that has a positive charge and that is found in the nucleus of an atom</p> Signup and view all the answers

<p>Like charges</p> Signup and view all the answers

<p>An electrical device that resists the flow of electrical current</p> Signup and view all the answers

<p>An element that can conduct electricity under some conditions</p> Signup and view all the answers

<p>A circuit in which all parts are connected in a single loop</p> Signup and view all the answers

<p>An electric discharge caused by electrons jumping from one conductor to another through the air</p> Signup and view all the answers

<p>Electricity produced by friction</p> Signup and view all the answers

<p>A device that opens or closes a circuit</p> Signup and view all the answers

<p>A unit used to measure how strongly the electrons in a wire are pushed</p> Signup and view all the answers

<p>A unit used to measure how fast electrical energy is used</p> Signup and view all the answers