Podcast
Questions and Answers
What role does a resistor play in an electrical circuit?
What role does a resistor play in an electrical circuit?
- It has no impact on the flow of electrons
- It speeds up the flow of electrons
- It increases the flow of electrons by adding resistance
- It reduces the flow of electrons by adding resistance (correct)
How does a resistor protect an LED connected to a 9 volt battery?
How does a resistor protect an LED connected to a 9 volt battery?
- By limiting the current of electrons flowing through the LED (correct)
- By increasing the voltage across the LED
- By increasing the flow of electrons through the LED
- By decreasing the resistance in the circuit
How does the resistor remove energy from an electrical circuit to protect components?
How does the resistor remove energy from an electrical circuit to protect components?
- By increasing the electrical energy in the circuit
- By converting electrical energy into heat (correct)
- By redirecting electrical energy to other components
- By converting electrical energy into light
Why is it incorrect to think of a resistor in an electrical circuit as acting like a speed bump?
Why is it incorrect to think of a resistor in an electrical circuit as acting like a speed bump?
How does the resistance added by a resistor impact electron flow in a circuit?
How does the resistance added by a resistor impact electron flow in a circuit?
Why is comparing a resistor to a speed bump inaccurate in understanding its function in a circuit?
Why is comparing a resistor to a speed bump inaccurate in understanding its function in a circuit?
What converts kinetic energy into heat in resistors?
What converts kinetic energy into heat in resistors?
Which type of resistor is directly soldered onto metal pads on a circuit board?
Which type of resistor is directly soldered onto metal pads on a circuit board?
What do coloured stripes on resistors indicate?
What do coloured stripes on resistors indicate?
Which type of resistor is used for calibration of circuits?
Which type of resistor is used for calibration of circuits?
What happens when a resistor fails to dissipate sufficient heat?
What happens when a resistor fails to dissipate sufficient heat?
Which type of resistors are used for compact circuit boards?
Which type of resistors are used for compact circuit boards?
