3 - Ohm’s Law and Power
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Practice Questions
Test your understanding with targeted questions
Calculate the current when V = 12 V and R = 4 Ω.
💡 Hint: Use Ohm's Law, I = V / R.
What power is consumed by a 10 Ω resistor with 2 A flowing through it?
💡 Hint: Use P = I² × R.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What defines Ohm's Law?
💡 Hint: Remember the formula for Ohm's Law.
True or False: Power can be calculated by P = V × I.
💡 Hint: Consider how voltage and current relate.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A circuit has a voltage of 24 V and a current of 0.8 A. What is the resistance?
💡 Hint: Think about the relationship defined by Ohm's Law.
Determine the power consumption of a device rated at 1000 W that operates at 120 V; then find the equivalent resistance.
💡 Hint: Use both the power formula and Ohm's Law.
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Reference links
Supplementary resources to enhance your learning experience.