2.5 - Temperature Dependence of Resistance
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Practice Questions
Test your understanding with targeted questions
What happens to the resistance of a conductor as temperature increases?
💡 Hint: Think of the relationship expressed by the formula involving temperature.
Define temperature coefficient of resistance (α).
💡 Hint: Focus on what it measures concerning materials.
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Interactive Quizzes
Quick quizzes to reinforce your learning
As temperature increases, what happens to the resistance of a conductor?
💡 Hint: Think of the formula linking resistance with temperature.
True or False: Semiconductors have a decreasing resistance as the temperature increases.
💡 Hint: Recall the behavior of semiconductors with temperature changes.
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Challenge Problems
Push your limits with advanced challenges
A resistor with a temperature coefficient of 0.004/°C has an initial resistance of 10Ω at 25°C. Calculate its resistance at 75°C.
💡 Hint: Apply the resistance formula carefully, paying attention to temperature differences.
Discuss how you would design a circuit involving both a temperature-sensitive semiconductor and a typical conductor. What considerations would you take into account regarding temperature changes?
💡 Hint: Think about how both components respond to temperature changes individually and together.
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