Understanding Circuits

What is a common misconception about the role of batteries in a circuit?

• Batteries do not affect electron movement.

• Batteries absorb electrons from the circuit.

• Batteries push existing electrons through the circuit.

• Batteries create new electrons for the circuit.

What happens to electrons when a battery is removed from a circuit?

• They stop moving.

• They move faster.

• They reverse direction.

• They continue to move indefinitely.

What is the difference between closed and open circuits?

• Closed circuits have a complete path; open circuits do not.

• Open circuits have a complete path; closed circuits do not.

• Closed circuits have no resistance; open circuits have resistance.

• Open circuits have no resistance; closed circuits have resistance.

In which direction does conventional current flow?

• From negative to positive.

• From positive to negative.

• In the same direction as electron flow.

• In a circular motion.

What happens to current when there are multiple paths in a circuit?

• It stops flowing.

• It splits and takes all available paths.

• It only takes the path with the least resistance.

• It reverses direction.

What role do resistors play in a circuit?

• They create new electrons.

• They store energy.

• They decrease the voltage.

• They increase the voltage.

How is the total voltage drop across resistors related to the battery's voltage?

• It is equal to the battery's voltage.

• It is always less than the battery's voltage.

• It is always greater than the battery's voltage.

• It is unrelated to the battery's voltage.

What does the water analogy help explain about circuits?

• The storage of energy in resistors.

• The creation of electrons.

• The flow of current and potential energy.

• The destruction of voltage.

What happens to the potential energy of electrons as they pass through resistors?

• It is converted into new electrons.

• It decreases.

• It remains constant.

• It increases.

What is the main function of a battery in a circuit?

• To stop the flow of current.

• To absorb excess electrons.

• To provide electric potential or voltage.

• To create new electrons.