Practice - Parallel Circuit Investigation
Practice Questions
Test your understanding with targeted questions
What happens to the total current when a branch is added to a parallel circuit?
💡 Hint: Think about how water flows in multiple hoses.
What is the same across each resistor in a parallel circuit?
💡 Hint: Remember how batteries supply voltage.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula to calculate total current in a parallel circuit?
💡 Hint: Think about adding flows together.
In a parallel circuit, the voltage across all components is ___.
💡 Hint: Remember what they share in common.
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Challenge Problems
Push your limits with advanced challenges
You have a 9V battery connected to two parallel branches, each with a 220 Ω resistor. If the second branch is replaced with a 110 Ω resistor, what is the new equivalent resistance?
💡 Hint: Use the parallel resistor formula.
In a parallel circuit with four branches (220 Ω, 220 Ω, 100 Ω, and a 330 Ω resistor), calculate total current when powered by a 9V battery.
💡 Hint: Calculate equivalent resistance first.
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Reference links
Supplementary resources to enhance your learning experience.