7. Which of the following devices have a definite polarity associated with them? In other words, which of these devices have characteristics that depend on the direction of the current through them? Circle the correct answer(s): Resistor Light bulb LED Diode

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7. Which of the following devices have a definite polarity associated with them? In other words,
which of these devices have characteristics that depend on the direction of the current through
them? Circle the correct answer(s):
Resistor
Light bulb
LED
Diode
Transcribed Image Text:7. Which of the following devices have a definite polarity associated with them? In other words, which of these devices have characteristics that depend on the direction of the current through them? Circle the correct answer(s): Resistor Light bulb LED Diode
11. (a). Based on your data and graphs, does the effective resistance of your light bulb filament
increase with increasing voltage, decrease with increasing voltage, or stay constant with
increasing voltage?
(b). Explain your reasoning...
Transcribed Image Text:11. (a). Based on your data and graphs, does the effective resistance of your light bulb filament increase with increasing voltage, decrease with increasing voltage, or stay constant with increasing voltage? (b). Explain your reasoning...
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