Physics Circuits Basics

What is the flow of electric charges called?

• voltage

• current

• resistance

• electricity

Which material is an insulator?

• gold
• copper
• plastic

The relationship between voltage, current, and resistance is described by....

• Bohr's Law

• Ohm's Law

• Kirkchoff's Law

• Lorentz' Law

What is resistance measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

What is current measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

What is voltage measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

The current is 12 _______

• amps

• volts

• ohm

The resistance is 12 _______

• amps

• volts

• ohm

What is the formula for resistance?

• V x I = R
• R = V/I

What voltage is needed to cause a 2A current flow through a 10Ω resistor?

• 5V
• 0.2V
• 20V
• 200V