Practice - Ohm's Law: The Fundamental Relationship
Practice Questions
Test your understanding with targeted questions
Using Ohm's Law, what is the current when the voltage is 10V and the resistance is 5Ω?
💡 Hint: Use the formula I = V/R.
What unit is used for voltage?
💡 Hint: Think of the V in V = I × R.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is Ohm's Law?
💡 Hint: Think about what each letter stands for.
Increasing the resistance in a circuit with constant voltage will...
💡 Hint: Consider how resistance impacts flow.
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Challenge Problems
Push your limits with advanced challenges
Design a circuit with a voltage supply of 24V and calculate the allowable range of resistance so that the current does not exceed 4A.
💡 Hint: Use Ohm's Law in reverse.
A heater rated at 1500W operates on a voltage of 120V. Determine the resistance of the heater.
💡 Hint: Remember the power formula links current and voltage.
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Reference links
Supplementary resources to enhance your learning experience.