Homework #2 (Quiz #2 Review)

what is a circuit

• A circuit is a closed path that allows electricity to flow from one point to another

• electricity

For electrical energy to flow, there must be a(n) ______.

• good battery
• copper wire
• on/off switch
• closed circuit

How is the electricity sent around a house?

• Through Internet

• In a circuit

• By construction

what is an open circut

• a circut with no interruptions

• allows electricty to flow

• circut with a not connecting wire or an open switch

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

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

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

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

What is current measured in?

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

What does power mean?

• Joules transferred per second
• Electron flow per second
• Speed of electrons
• Electron energy

What is resistance measured in?

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

What is the unit of power?

• Ohms

• Volts
• Amps
• Watts