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 skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve 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 primary use of a potentiometer?
💡 Hint: Think about what devices measure voltage.
Question 2
Easy
What is the relationship between the length of wire and potential difference in a potentiometer?
💡 Hint: Consider how more length might impact voltage readings.
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 primary function of a potentiometer?
- Measure current
- Measure voltage
- Measure emf
- Calculate resistance
💡 Hint: Focus on what is measured without affecting the circuit.
Question 2
True or False: A potentiometer draws significant current to take measurements.
- True
- False
💡 Hint: Think about how it functions differently from other measurement tools.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A laboratory experiment requires you to measure the emf of two cells using a potentiometer. Cell A shows a reading of 1.5 volts at 100 cm, and cell B reads at 60 cm. What is the emf of cell B?
💡 Hint: Set up the proportion based on the lengths and known voltage.
Question 2
Explain how a potentiometer can be set up to measure the internal resistance of a battery.
💡 Hint: Think about open and closed circuit measurements.
Challenge and get performance evaluation