Electric Current

current is measured in....

• volts
• amps
• watts
• mph

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 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

What is voltage?

• The flow of protons

• The number of charged particles that pass each second
• The difference in potential energy of charged particles
• The rate at which energy is being transformed

Tags

NGSS.HS-PS3-2

What voltage is needed to produce 2A of current through a 10Ω resistor?

• 20V
• 0.2V
• 5V
• 2V

A circuit with 3 resistors, 20 Ohms, 10 Ohms, and 20 Ohms are in series. What is the total resistance?

• 43 Ohms
• 50 Ohms
• 60 Ohms
• 33 Ohms

Battery cells are connected in series to _______

• Increase voltage output
• Decrease voltage output
• Increase current capacity
• Decrease current capacity