Practice - Current and Circuits
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Practice Questions
Test your understanding with targeted questions
What is the formula for electric current?
💡 Hint: Remember what the terms Q and t stand for.
What unit measures resistance?
💡 Hint: Think of what opposes the flow of electricity.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating electric current?
💡 Hint: Remember 'I' represents current.
True or False: In a parallel circuit, the voltage across each component is different.
💡 Hint: Think about how connections are structured.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A circuit has a voltage of 15 volts and a total resistance of 3 ohms. Calculate the current and power consumed by the circuit.
💡 Hint: Remember the formulas for both current and power.
Design a circuit including a battery, two resistors (5 ohms and 10 ohms) in series, and determine the total resistance and current if the battery provides 20 volts.
💡 Hint: Add resistance values and use Ohm's Law.
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Reference links
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