Circuits

This circuit has more than one loop. When one light goes out, the others stay on. 

• closed circuit
• series circuit
• parallel circuit
• open circuit

What kind of circuit is this?

• series
• parallel

Which best describes a simple series circuit?

• Electricity flows along one pathway.
• The flow of electricity comes from the switch.
• Electricity flows along many pathways.
• The flow of electricity comes from the light bulb.

The total resistance in this circuit is 

• 100 ohms
• 450 ohms
• 400 ohms
• 30 ohms

The total current through this circuit is

• 0.02 amps
• 0.09 amps
• 50 amps
• 9 amps

The voltage dropped across the 300 ohm resistor is 

• 6 V
• 9 V
• 2 V
• 30 V

As resistors are added in series to a circuit, the total resistance will...

• increase
• decrease
• stay the same

As the resistance of a circuit increases, the current will...

• increase
• decrease
• stay the same

The current going through the 45 ohm resistor is 

• 0.05 amps
• 0.2 amps
• 0.1 amps
• 5 amps

The total resistance of this circuit is 

• 25.7 ohms
• 315 ohms
• 324 ohms
• 90 ohms