Ohm's Law

What is current measured in?

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

What is resistance measured in?

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

What is Resistance?

• The flow of electrons

• Electric potential difference

• A battery

• Opposition to the flow of electrons

The mathematical relationship among Voltage, Current, and Resistance is called?

• Faraday's Law

• Tesla's Law

• Edison's Law

• Ohm's Law

Current times Resistance equals

(I X R) = ?

• Power

• Voltage

• Amperage

• Ohm

Voltage divided by Resistance

(V / R) = ?

• Current

• Power

• Ohms

• Watts

Voltage divided by Current

(V / I) = ?

• Current

• Power

• Resistance

• Watts

If the Voltage is increased and the resistance stays the same, Current will

• Increase
• Decrease
• Stay the same
• X

If the Voltage stays the same and Resistance is increased, Current will 

• Increase
• Decrease
• Stay the same
• X

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

• 1 Ohm
• 3 Ohms
• 4 Ohms
• 12 Ohms