-
-
A closed path along which electrons that are powered can flow
E.g. parallel, series
-
-
A source of energy that generates electric current by chemical reactions involving two different metal compounds separated by a conducting solution
E.g. a circuit involving two electrodes in vinegar
-
-
A connection of two or more cells
E.g. AA, AAA, C, D, 9V
-
-
One of two metal terminals in a cell or battery
E.g. an aluminum strip in a voltaic cell
-
-
A solution or paste that conducts charge
E.g. battery acid
-
-
A cell that contains an electrolyte made of paste
E.g. a AA battery contains pasty acid
-
-
A cell that contains a liquid electrolyte
E.g. a car battery
-
-
A cell that can be used only once
E.g. a “regular” AA battery
-
-
A cell that can be recharged
E.g. a rechargeable battery
-
-
A cell that generates electricity through the chemical reactions of fuel that is stored outside the cell
E.g. windmills, hydro plants & solar panels
-
-
A cell that converts sunlight into electrical energy
E.g. solar panels
-
-
A position on a cell that must be connected to other components to form a circuit
E.g. the positive and negatives on a battery
-
-
A control device that can complete or break the circuit to which it is connectedE.g. a light switch on a wall
-
-
A circuit that contains a gap or a break
E.g. an open switch
-
-
A measure of the number of charged particles that pass by a point in an electric circuit each second
E.g. measured in amps
-
-
The quantity of charge that is equal to the charge of 6.25 x 1018 electrons
E.g. kind of self-explanatory
-
-
The unit of electric current, equivalent to one coulomb per second
E.g. the higher the amperage the more electrons per second
-
-
The property of a substance that hinders electrical current and converts electrical energy into other forms of energy
E.g. lamps have resistance
-
-
A device used in an electric to decrease the current through a component by a specific amount
E.g. resisting something by 10 ohms
-
-
A resistor or any device that transforms electrical energy into heat, motion, sound, or light
E.g. lamp, iPod, stove, electric car
-
Potential difference (voltage)
-
The difference between the electrical potential energy per unit of charge at two points in a circuit
E.g. measured with a voltmeter, measured in volts
-
-
The unit for potential difference; equivalent to one joule (J) per coulomb (C)
E.g. a 9V battery
-
-
A diagram that uses standard symbols to represent the components in an electric circuit and their connections
- E.g. ___ is used to show cell
- --
-
-
A circuit in which there is only one path along which electrons can flow
E.g. a basic light circuit
-
-
A circuit in which there is more than one path along which electrons can flow
E.g. many household electrical outlets
-
-
The ratio of potential difference to current is a constant called resistance
E.g. R=V/I
-
-
The unit for resistance, equivalent to one volt per ampere (V/A)
E.g. the more ohms, the more the resistance
-
-
A material in which electric charge can flow with no resistance
E.g. a super cooled metal
-
-
Not following ohm’s law
E.g. a diode
-
-
The potential difference is shared among the loads, but the current remains the same
E.g. Vt = V1 + V2
-
-
The potential difference remains the same, but the current is shared among the paths
E.g. Vt = V1 = V2
|
|
