Podcast
Questions and Answers
What is voltage?
What is voltage?
- The resistance in a circuit
- The pushing force of electrons (correct)
- The flow of electrons
- The flow of water in a pipe
How does the brightness of a lamp change with an increase in voltage?
How does the brightness of a lamp change with an increase in voltage?
- It fluctuates
- It remains constant
- It increases (correct)
- It decreases
How is voltage measured in a circuit?
How is voltage measured in a circuit?
- By measuring the flow of electrons
- By measuring the potential difference between two points (correct)
- By measuring the resistance in the circuit
- By counting the number of electrons in the circuit
What happens to the voltage when multiple batteries are wired in series?
What happens to the voltage when multiple batteries are wired in series?
What reading do we get if we measure the voltage across either of the 10 ohm resistors individually?
What reading do we get if we measure the voltage across either of the 10 ohm resistors individually?
What are resistors doing to the voltage in a circuit?
What are resistors doing to the voltage in a circuit?
What happens to the voltage across the resistors in a series circuit?
What happens to the voltage across the resistors in a series circuit?
What effect does adding more resistors have on the total voltage in a series circuit?
What effect does adding more resistors have on the total voltage in a series circuit?
What happens to the voltage drop when a 10-ohm resistor is replaced with a 5-ohm resistor in a series circuit?
What happens to the voltage drop when a 10-ohm resistor is replaced with a 5-ohm resistor in a series circuit?
What is the purpose of a resistor in an electrical circuit?
What is the purpose of a resistor in an electrical circuit?
How does the resistance of a component affect the voltage drop in a series circuit?
How does the resistance of a component affect the voltage drop in a series circuit?
What happens to the energy as electrons flow through a resistor in a circuit?
What happens to the energy as electrons flow through a resistor in a circuit?
How is total current affected by adding resistors in a series circuit?
How is total current affected by adding resistors in a series circuit?
What happens to the total voltage drop across resistors in a series circuit when another resistor is added?
What happens to the total voltage drop across resistors in a series circuit when another resistor is added?
What happens to the voltage at different parts of a series circuit?
What happens to the voltage at different parts of a series circuit?
How does adding another 5-ohm resistor affect the total voltage in the circuit?
How does adding another 5-ohm resistor affect the total voltage in the circuit?
