What does a current/voltage graph look like for a filament lamp?
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What does a diode do?
Diodes only allow current to flow one way around a circuit.
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What does a current/voltage graph look like for a diode?
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What does a current/voltage graph look like for a fixed resistor?
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Which wire has the highest resistance?
Wire 2 has the higher resistance.
The steeper a line the lower the resistance.
Answer in your head, out loud, or on paper, then tap the card to flip.