Electric Circuits Review

The picture shows an electrical circuit. This circuit is a series circuit because: 

• It has 3 light bulbs.
• The same current flows through all three light bulbs.
• It uses a single battery.
• The electrical current is divided between the three light bulbs.

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 total resistance of this circuit is 

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

The total current going through the battery of this circuit is

• 0.35 amps
• 0.0286 amps
• 0 amps
• 9 amps

Pick the correct sentence.

• This circuit will work because it is a closed circuit.
• Energy will freely flow in this circuit.
• This circuit will not work because there is no energy source.
• This circuit will not work because there is no switch.

Does this diagram represent a series or parallel circuit?

• series circuit
• parallel circuit

What does the electronic schematic symbol shown represent?

• light bulb

• cell

• battery

• resistor

What does the electronic schematic symbol shown represent?

• Wire

• Resistor

• Battery

• Switch

What is the total resistance in the circuit?

• 10 ohms

• 6 ohms

• 4 ohms

• 2.4 ohms