A material in which a current does not easily flow is considered an?
What is insulator
Electric Current that flows in one direction
Direct Current
Voltage is work per unit charge or 1V=1 J/C
Thus the more voltage, the more _____ of the current
pressure
Heat caused by electrical friction
joule heat
SI unit for resistance
ohm
A material that is neither easy nor difficult for a current to pass through?
semi-conductor
Electric current that changes direction and doubles back on itself
A/C
The rate of the charge "flow" is what
current
The high the temperature the ____ the friction
higher
law which relate current, voltage, and resistance
ohm's law
Name one conductive element
Any metal...
Electricity that is moving is considered?
Current electricity
What is the SI unit for current
Ampere
A material with no resistance(friction) at all
super conductor
What is the mathematical formula for ohms law
I=V/R
What terms refers to the amount an object hinders electron flow
Resistance
What causes electrons to move from one place to another?
attraction and repulsion between electric forces
What is the mathematical formula for the power of a current
P=VI
An electrical device designed to hinder curent flow in a circuit
resistor
Give an example of how we use resistance in conductors in our everyday life
toasters, hairdryers, etc.
Does a wire carrying a current have an overall charge?
no