Practice Parallel Circuits - 5.2.4.2 | Module 5: Electricity and Magnetism | IB Board Grade 9 Physics
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5.2.4.2 - Parallel Circuits

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a parallel circuit?

πŸ’‘ Hint: Think about how lights can be wired in your house.

Question 2

Easy

If two branches in a parallel circuit both have a voltage of 12V, what is the voltage across a third branch?

πŸ’‘ Hint: All branches share the same voltage!

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is true about the voltage in a parallel circuit?

  • It varies from branch to branch
  • It is the same across all branches
  • It is always zero

πŸ’‘ Hint: Think about how you connect lights in your room.

Question 2

True or False: Adding more branches in a parallel circuit increases the total resistance.

  • True
  • False

πŸ’‘ Hint: Consider how paths in a river might handle more water.

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Challenge Problems

Push your limits with challenges.

Question 1

You have a parallel circuit with three resistors of 4Ξ©, 8Ξ©, and 2Ξ©. Calculate the total current if connected to a 24V source.

πŸ’‘ Hint: Calculate resistance first to find the total current.

Question 2

In a parallel circuit with two branches having resistances of 10Ξ© and 5Ξ©. If the voltage supplied is 15V, what current flows through each branch?

πŸ’‘ Hint: Remember to calculate individually for each resistor using Ohm's Law.

Challenge and get performance evaluation