Charge
What are the two types of electric charge?
positive and negative
What is the flow of electric charge?
electric current
What is a circuit with the switch in the on position, so that there are no breaks and charge can flow?
closed circuit
What is a measuring instrument for current, voltage, and resistance?
multi meter
What law states that the current is directly related to the voltage and inversely related to the resistance?
ohm's law
What is the unit of charge?
coulomb (c)
What is a complete path through which electric charge can flow?
electric circuit
What is a device for alternately allowing and not allowing charge to flow in a circuit?
switch
What is a device that transforms chemical energy to electrical energy, and provides electrical force in a circuit?
battery
What is a material with low electrical resistance known as?
conductor
What is an object called with a net charge of zero?
electrically neutral
What is a shorthand method of describing a working circuit?
circuit diagram
What current has no charge?
open current
What determines how much current flows through a given voltage?
resistance
What is a material with high electrical resistance known as?
resistance
What is a tiny imbalance between positive and negative charge on an object?
static electricity
Electric current comes from the motion of___.
electrons
What is electric current measured in?
amperes (A)
What is the unit of measurement for resistance?
ohm
What is a material between conductor and insulator in its ability to carry current?
semiconductor
static
What is a component that is used to control current in many circuits?
resistor
What is the measure of electric potential energy?
voltage
What can be used to measure the resistance of a device?
multi meter
What is a type of variable resistor that can be adjusted to give resistance within a certain range?
potentiometer