10.9 Flashcards
1
Q
Resistance
A
measure of the electrical energy required for an electric current to pass through an object. The energy is changed to heat
2
Q
Insulators
A
material that does not allow heat to move through it
3
Q
Ohm’s Law
A
statement relating the change in voltage across a conductor to the change in current. It states that the voltage across a particular conductor divided by the current through it is constant
4
Q
Ohmic
A
describes conductors that obey Ohm’s Law
5
Q
Variable resistor
A
device for which the resistance can be altered
6
Q
Resistors
A
circuit component that has resistance