Practice Generators (D4.6) - Theme D: Fields - IB 11 Physics
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Generators

Practice - Generators

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a generator?

💡 Hint: Think about the process involved in generating electricity.

Question 2 Easy

Define induced emf.

💡 Hint: Recall the relationship between magnetic fields and electricity.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does a generator convert?

Chemical energy to electrical
Mechanical energy to electrical
Thermal energy to electrical

💡 Hint: Think about what physical motion is being transformed.

Question 2

True or False: Eddy currents can increase the efficiency of generators.

True
False

💡 Hint: Consider how heat affects energy output.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A generator coil of radius 0.1 m rotates at 300 rpm in a magnetic field of 0.5 T. Calculate the maximum induced emf.

💡 Hint: Focus on the conversion of angular speed and use the correct formulas.

Challenge 2 Hard

Discuss how a generator's design can be enhanced to minimize energy losses due to eddy currents. What specific material properties can be used?

💡 Hint: Consider the nature of conductors and properties that lower resistance to currents.

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