is a flow of electric charge that regularly

reverses its direction.

is a material in which charge cannot flow easily.

is the opposition to the flow of charges in a material.

A materials thickness, length and temperature affects its .....

is a material that has almost zero resistance when cooled down to low temperatures.

Is the unit of resistance.

What would happen if in a circuit the voltage is increase?

What would happen if in a circuit, the resistance increases but the voltage stays the same?

Is the unit for voltage

Is the unit for current.

In order to electrical current to flow through a wire the wire must be connected in a ____________ that includes a source of electrical current.