series and parallel circuits

Multiple Select

Which of the following are components of an electric circuit?

• Wires

• Electrons

• Switches

• All of the above

Multiple Choice

What is the main difference between direct current (DC) and alternating current (AC)?

• DC flows in the same direction, AC flows in different directions

• DC flows in different directions, AC flows in the same direction

• DC and AC both flow in the same direction

• DC and AC both flow in different directions

Multiple Choice

Which statement best describes what happens if one component in a series circuit is disconnected?

• All components turn off.

• Only the disconnected component turns off.

• The circuit continues to work normally.

• The voltage increases across the remaining components.

Multiple Select

Which of the following are characteristics of resistors in series?

• Same current flows through each resistor.

• Total potential difference is the sum of individual voltages.

• Total resistance is the sum of individual resistances.

• Current splits at each resistor.

Open Ended

Compare and contrast the flow of electricity in series and parallel circuits using the diagrams provided.

Multiple Choice

In a parallel circuit, what happens if one branch is broken?

• Only the components on that branch turn off.

• All components turn off.

• The current stops flowing in all branches.

• The voltage drops to zero across all branches.

Multiple Choice

Which of the following is true about the potential difference across resistors connected in parallel?

• It is different across each resistor.

• It is the same across each resistor.

• It depends on the resistance value.

• It depends on the total current.

Multiple Choice

Using Ohm's Law, what is the value of volts when the resistance is 9 ohms and the current is 5 amps?

• 45 volts

• 14 volts

• 4.5 volts

• 1.8 volts

Multiple Choice

What is the main difference between conductors and insulators?

• Conductors allow electric current to flow easily, while insulators do not.

• Conductors are always metals, while insulators are always plastics.

• Conductors are used for insulation, while insulators are used for conduction.

• Conductors and insulators have the same properties.

Multiple Select

Which of the following materials are insulators?

• Metal

• Water

• Rubber

• Paper

Multiple Choice

How does the thickness of a wire influence its resistance?

• Thicker wires have lower resistance.

• Thicker wires have higher resistance.

• Thickness does not affect resistance.

• Thicker wires have the same resistance as thinner wires.