7.2 Notes

Multiple Choice

Current is...

• moving protons
• moving electrons
• measured in volts
• measured in ohms

Multiple Choice

current is measured in....

• volts
• amps
• watts
• mph

Multiple Choice

Electric potential is measured in _________.

• volts

• amps

• friciton

Multiple Choice

Voltage is simply defined as...

• what 'pushes' electrons
• what 'stops' electrons
• moving electrons

Multiple Choice

Resistance is...

• What "slows down" electrons
• What "speeds up" electrons
• Moving electrons
• What "pushes" electrons

Multiple Choice

What characteristics impact resistance of a material?

• Thickness 
• Temperature
• Length
• All of these

Multiple Choice

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

• Increase
• Decrease
• Stay the same
• Not enough info

Multiple Choice

A potential difference of 24 V is applied to a 150 ohm resistor. How much current flows through the resistor?

• 0.15 A

• 3600 A

• 6.25 A

• 0.16 A

Multiple Choice

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

• 1 Ohm
• 3 Ohms
• 4 Ohms
• 12 Ohms

Multiple Choice

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

• 25 V
• 10 V
• 2.5 V
• 0.4 V