Electricity

_________ is like a pushing force that pushes electric current around a circuit

• current

• voltage

• resistor

• electron

______________ decreases the amount of current

• electron

• voltage

• current

• resistor

What causes resistance? (Check all that apply)

• Moving electrons in a current bump into atoms of matter

• A wire that is too wide

• Some of the energy is absorbed by the atom and changed to other forms of energy such as heat.

• all of the above

What factors affect resistance (check all that apply)

• Type of material

• Width of material

• Length of wire

• Temperature

A resistor is good to have if you want to produce heat or light.

• True

• False

A resistor is good to have if you are trying to transmit electric current through a wire from one place to another.

• True

• False

Metals have the least resistance to electric current.

• True

• False

Resistance is measure in

• volts

• ohms

• amps

voltage is measure in ___________

• ohms

• volts

• amps

Current is measure in ___________

• volts

• ohms

• amsp