Practice - Resistors / Resistive Materials
Practice Questions
Test your understanding with targeted questions
What does a resistor do?
💡 Hint: Think about how current travels through a circuit.
Name a material used to make resistors.
💡 Hint: Consider common alloys used in electronics.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a resistor primarily used for?
💡 Hint: Consider its role in a circuit.
True or False: Manganin is used for applications where stable resistance is crucial.
💡 Hint: Think about situations where resistance fluctuating is a problem.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A circuit contains a resistor made from Nichrome and is used in a heater. If the resistance of the resistor is 100 ohms and the current through it is 5 amps, calculate the power dissipated in the resistor.
💡 Hint: Remember the power formula for resistors.
You are designing a circuit that requires a stable resistor. Would you choose Nichrome or Manganin? Justify your choice with two reasons.
💡 Hint: Consider how ambient conditions affect resistor performance.
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Reference links
Supplementary resources to enhance your learning experience.