Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
Youβve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the unit of resistance?
π‘ Hint: It's a term related to electric circuits.
Question 2
Easy
State the formula for calculating resistance.
π‘ Hint: It involves voltage and current.
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 the formula for resistance?
π‘ Hint: It involves voltage and current.
Question 2
True or False: Increasing temperature increases the resistance of metals.
- True
- False
π‘ Hint: Think about how heat affects materials.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A cylindrical wire of length 2 m and a radius of 0.5 mm has a resistivity of 1.68 à 10^-8 Ω·m. Calculate its resistance.
π‘ Hint: Use the resistivity formula involving length and cross-sectional area.
Question 2
If three resistors with values 4Ξ©, 6Ξ©, and 12Ξ© are connected in series, what is the total resistance?
π‘ Hint: For series, just add the resistances together.
Challenge and get performance evaluation