Practice Temperature Dependence of Resistance - 2.5 | Chapter 2: Current Electricity | ICSE Class 12 Physics
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2.5 - Temperature Dependence of Resistance

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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What happens to the resistance of a conductor as temperature increases?

💡 Hint: Think of the relationship expressed by the formula involving temperature.

Question 2

Easy

Define temperature coefficient of resistance (α).

💡 Hint: Focus on what it measures concerning materials.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

As temperature increases, what happens to the resistance of a conductor?

  • Increases
  • Decreases
  • Remains the same

💡 Hint: Think of the formula linking resistance with temperature.

Question 2

True or False: Semiconductors have a decreasing resistance as the temperature increases.

  • True
  • False

💡 Hint: Recall the behavior of semiconductors with temperature changes.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation