click below
click below
Normal Size Small Size show me how
science vocab words
Term | Definition |
---|---|
charging by contact | transfer of eletric charge between objects in contact. |
charging by induction | rearrangement of electric charge in a n object due to a nearby electric field |
insulator | material in which eletric charges can not move easily |
conductors | material in which eletric charges can move easily |
static charge | imbalance of electric charge of an object |
electric discharge | movement of static charge from one place to another |
electric current | flow of electric charge, measured in amperes |
electric circuit | closed conducting loop in which electric current can flow continually |
electric resistance | measure of how difficult it is for electrons to flow in a material; unit is the ohm |
voltage | a measure of the amount of electrical potential energy transferred by an electric charge as it moves from one point to another in a circuit |
series circuit | current that has only one path for electric current to follow |
parallel circuit | circuit that has more than one path for electric current to follow |
magnetic domain | a group of atoms in a magnetic material with the magnetic poles of the atoms pointing in the same direction |
electromagnet | a current carrying wire wrapped around iron core |
electromagnetic induction | production of electric current by moving a magnet and a wire coil ralative to each other |