Electrical Resistance

What are the units of resistance?

• Ohms

• Volts

• Watts

• Amps

Resistance is prorportional to (choose ALL the correct answers!).

• Length

• Flow of electrons

• Current

• Area of cross section

Which of the metals listed in the video have a high resistance and could be used in light bulbs? Choose all that apply.

• Nicrome

• Copper

• Silver

• Aluminum

• Tungsten

Which of the following is the RESISTIVITY of a particular element?

• A

• L

• R

• 

Which one is MORE conducting?

• Copper

• Silver