8.9.2 - Parallel Combination
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Practice Questions
Test your understanding with targeted questions
What is the total resistance of a 6Ω and 12Ω resistor in parallel?
💡 Hint: Use the formula \\( \\frac{1}{R_{total}} = \\frac{1}{6} + \\frac{1}{12} \\).
If two resistors of 5Ω and 10Ω are in parallel, what voltage is the same across each if the source voltage is 20V?
💡 Hint: In parallel, voltage is the same.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What happens to total resistance when resistors are connected in parallel?
💡 Hint: Remember the formula for total resistance.
In a parallel circuit, if the voltage across each resistor is the same, what varies?
💡 Hint: Focus on Ohm's law.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A circuit contains three parallel resistors: 10Ω, 20Ω, and 30Ω. If a voltage of 60V is applied, calculate the total current supplied by the source.
💡 Hint: Calculate total resistance first using the parallel formula.
Discuss how adding more resistors in parallel affects the overall current draw of a circuit and provide an example with calculations.
💡 Hint: Use the parallel formula to assess how current changes.
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