Practice Fuses (5.2.6.1) - Electricity and Magnetism - IB Board Grade 9 Physics
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Fuses

Practice - Fuses

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Practice Questions

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Question 1 Easy

What is the main purpose of a fuse?

💡 Hint: Think of safety in electrical devices.

Question 2 Easy

What happens when a fuse blows?

💡 Hint: Consider what the fuse is designed to do.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the function of a fuse?

To increase current
To protect against overload
To conduct higher voltage

💡 Hint: Think about what a fuse does in electrical safety.

Question 2

True or False: A blown fuse can be reused without replacement.

True
False

💡 Hint: Consider how fuses are constructed.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A circuit with a 10A fuse is running devices that draw 8A consistently. If an additional device drawing 5A is connected, what will happen, and how should it be handled?

💡 Hint: Calculate the total current drawn by devices connected.

Challenge 2 Hard

Explain the role of fuses in circuit safety and propose an alternative method of circuit protection with advantages and disadvantages.

💡 Hint: Think about how each method operates in terms of convenience and protection.

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