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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the unit of resistance?
π‘ Hint: Itβs named after a German physicist.
Question 2
Easy
Name one factor that affects resistance.
π‘ Hint: Think about what makes it easier or harder for electrons to flow.
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
What is resistance?
- A measure of electric current
- Opposition to the flow of electric current
- The speed at which electrons move
π‘ Hint: It sounds like a barrier to electricity.
Question 2
True or False: Resistance decreases with an increase in conductor length.
π‘ Hint: Consider the travel distance.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A 50-meter long wire of aluminium (resistivity \(2.65 Γ 10^{-8} \Omega.m\)) has a cross-sectional area of 2 mmΒ². Calculate the resistance of the wire.
π‘ Hint: Make sure units are consistent before calculating.
Question 2
Describe how you would set up an experiment to measure the resistance of different wire materials.
π‘ Hint: Consider safety measures and equipment needed.
Challenge and get performance evaluation