What is a resistor?

Q: What is a resistor?


A: A resistor limits the electric current that flows through a circuit.

Q: What is resistance?


A: Resistance is the restriction of current.

Q: What happens to the energy of electrons in a resistor?


A: In a resistor the energy of the electrons that pass through the resistor are changed to heat and/or light.

Q: How does a tungsten filament in a light bulb act as a resistor?


A: In a light bulb, the tungsten filament acts as a resistor that heats up because of the current going through it, causing it to glow.

Q: How does a resistor affect the flow of electric current in a circuit?


A: A resistor limits the flow of electric current in a circuit.

Q: What are the possible outcomes of the energy of electrons passing through a resistor?


A: The energy of electrons passing through a resistor can be changed to heat and/or light.

Q: What is an example of a resistor in a common household item?


A: A tungsten filament in a light bulb is an example of a resistor in a common household item.

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