Practice Safety in Household Circuits: Protecting Lives and Property - 5.2.6 | Module 5: Electricity and Magnetism | IB Board Grade 9 Physics
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5.2.6 - Safety in Household Circuits: Protecting Lives and Property

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a fuse?

πŸ’‘ Hint: Think of it as a protective measure against too much electricity.

Question 2

Easy

What does a circuit breaker do?

πŸ’‘ Hint: Consider it a switch that helps avoid fires.

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 device melts to break a circuit when there's too much current?

  • Resistor
  • Fuse
  • Transistor

πŸ’‘ Hint: Which device serves as a safety measure?

Question 2

True or False: Circuit breakers need to be replaced after tripping.

  • True
  • False

πŸ’‘ Hint: Consider the difference between fuses and circuit breakers.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a household electrical system that includes at least three appliances. Outline the necessary safety devices and explain your choices.

πŸ’‘ Hint: Consider the power ratings of the appliances you include.

Question 2

Evaluate the implications of not including a circuit breaker in a home with multiple high-wattage appliances. What could happen?

πŸ’‘ Hint: Think about how electricity behaves in overloaded conditions.

Challenge and get performance evaluation