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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