Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
Static electricity
|
the accumulation of excess electric charges on an object
|
|
|
The law of conservation of charge
|
charge can be transferred from object to object, but it cannot be created or destroyed
|
|
|
Insulator
|
a material that does not allow electrons to move through it easily
|
|
|
Conductor
|
a material that electrons can move through easily
|
|
|
Charging by induction
|
the rearrangement of electrons on a neutral object caused by a nearby charged object
|
|
|
Circuit
|
a closed conducting path
|
|
|
Eletric current
|
the flow of charges through a wire or any conductor
|
|
|
Ohm's Law
|
the current in a circuit equals the voltage difference divided by the resistance
|
|
|
Resistance
|
the tendency for a material to resist the flow of electrons, changing electric into thermal energy and light
|
|
|
Series circuit
|
the current has only one loop to flow through
|
|
|
Open circuit
|
when any part of a circuit disconnected, no current flows the circuit
|
|
|
Parallel circuit
|
contains two or more branches for current to move through
|
|
|
Eletrical power
|
the rate at which electrical energy is converted to another form of energy
|
|
|
Kilowatt hour
|
1,000 watts used for 1 hour
|
