| A | B |
|---|
| resistance | a measure of a material's ability to hinder the passage of electric current through it |
| resistor | a device that hinders the passage of current |
| rheostat | a variable resistor used to control the current in the circuit |
| series circuit | a circuit in which there is only one path for a current to follow |
| single-throw switch | a switch that can close a circuit in only one position |
| static charge | the electric charge that resides on an object |
| switch | a device that is used to open and close circuits |
| three-way switch | a configuration of double-throw switches that allows independent control of electrical devices from two positions |
| variable resistor | a resistor whose resistance can be changed |
