Electricity and Circuit

The unit for current is the 

• Volt
• Ohm
• Electron
• Amp

If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor

• 2.1 Amps
• 2.4 Amps
• 1.71 Amps
• 15 Amps

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

• 5V
• 0.2V
• 20V
• 200V

If a fourth resistor was added, what would happen to the total voltage of the circuit?

• total voltage would increase

• total voltage would decrease

• total voltage would stay the same

• total voltage can't to calculate

What is the voltage at V1 (resistance is the same at all resistors)

• 3V

• 6V

• 9V

• 12V

A combination of two or more electric cells is called _____

• Electric circuit

• Battery

• Terminals

• None of these

_____ is an electric device which easily closes or opens an electric circuit.

• Filament

• Electric bulb

• Electric switch

• Electric cell

The electric current in a closed circuit always flows from the ____ terminal of the electric cell to the _____ terminal.

• Negative to positive

• Positive to negative

• Positive to positive

• None of these

Only one of the circuits below would work to light the light bulb. Choose the circuit below that would make the light bulb light up.

• 
• 
• 
• 

conducts electricity around a circuit

• wire

• insulator

• light bulb

• switch