1.2 - Ohm's Law
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Practice Questions
Test your understanding with targeted questions
What is the formula for Ohm's Law?
💡 Hint: Consider the three quantities it relates.
Define voltage.
💡 Hint: Think of it as the push that drives current.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Ohm's Law relate?
💡 Hint: Look for the three core electrical parameters.
True or False: If you increase the resistance while keeping the voltage constant, the current will increase.
💡 Hint: Remember the inverse relationship?
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a circuit to light an LED with a 12V supply, requiring a current of 20mA. What resistor will you choose, and why?
💡 Hint: Calculate with Ohm's Law and verify the LED ratings.
If a circuit has a 45Ω resistor and the current measured is 2A, what is the voltage across the resistor?
💡 Hint: Plug in the numbers correctly for voltage.
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