Electrical Resistance

An electric current is how many ____ move through an electrical conductor.

• neutral atoms

• electrons

• neutrons

• photons

Resistance is ....​ (a)   ​

• Opposition to current flow
• Increase in energy of electrons
• Opposition to sliding
• When a hedgehog rolls into a ball

What changed?

• voltage

• resistance

• chemistry

Which is the battery?

Which is the resistor?

Voltage = Current X Resistance

V = I R

Current is 1A, Resistance is 5 Ohm. What is the voltage?

Which of these is a short circuit?