Practice - Ohm’s Law
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Practice Questions
Test your understanding with targeted questions
What does Ohm's Law state about the relationship between voltage, current, and resistance?
💡 Hint: Recall the formula V = I x R.
What is the unit of voltage?
💡 Hint: Think about the device used to measure voltage.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is Ohm's Law?
💡 Hint: Consider the relationship between voltage and current.
If voltage is doubled and resistance remains the same, what happens to the current?
💡 Hint: Think about how pressure affects water flow.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A circuit has an unknown resistance but carries a current of 5A at a voltage of 20V. Calculate the resistance and explain the steps you took to find the solution.
💡 Hint: You need to rearrange the Ohm's Law formula.
If a device requires 60 Watts of power and operates at 120V, what is the required current? Then, calculate the resistance of the device.
💡 Hint: Start with the power formula to find current before applying Ohm's Law.
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Reference links
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