Practice The Motor Effect: From Electricity to Motion - 5.5 | Module 5: Electricity and Magnetism | IB Board Grade 9 Physics
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5.5 - The Motor Effect: From Electricity to Motion

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the motor effect?

πŸ’‘ Hint: Think about how electricity interacts with magnets.

Question 2

Easy

Which rule helps you determine the direction of force in a motor?

πŸ’‘ Hint: Remember the fingers of your left hand represent different elements: thumb for force, etc.

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 the motor effect?

  • A force on a current-carrying conductor in a magnetic field
  • A force on stationary charges
  • A property of magnets

πŸ’‘ Hint: Remember the definition related to both current and magnetic fields.

Question 2

True or False: The commutator in a DC motor is used to keep the direction of current constant.

  • True
  • False

πŸ’‘ Hint: Think about the mechanics of how a motor spins.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A teacher demonstrates a simple DC motor. If the rotor turns at a rate of 5 revolutions per second with a current of 1A passing through the coil, what would happen if the current were increased to 2A while keeping everything else constant?

πŸ’‘ Hint: Think about the effect of current on magnetic strength.

Question 2

Design a simple experiment to demonstrate the motor effect using household items. List the materials and the expected outcome.

πŸ’‘ Hint: What simple connections can you create to observe force in action?

Challenge and get performance evaluation