Practice Magnetic Fields Due To Currents (D2.5) - Theme D: Fields - IB 11 Physics
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Magnetic Fields Due to Currents

Practice - Magnetic Fields Due to Currents

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the relationship between electric current and magnetic field?

💡 Hint: Think about what happens when current flows.

Question 2 Easy

State the formula used to calculate the magnetic field around a long straight conductor.

💡 Hint: Identify the parameters involved.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the formula for the magnetic field around a long straight wire?

B = μ₀ I / (2π r)
B = n I / (L)
B = I R

💡 Hint: Think about how distance affects the field.

Question 2

True or False: The magnetic field inside a long solenoid is uniform.

True
False

💡 Hint: Consider how dense the coils are.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A solenoid has 250 turns per meter and carries a current of 3 A. Calculate the magnetic field inside the solenoid.

💡 Hint: Use the formula for magnetic field inside a solenoid.

Challenge 2 Hard

A long straight wire carries a current of 5 A. Calculate the magnetic field at a distance of 0.4 m from the wire.

💡 Hint: Apply the magnetic field formula for a straight wire.

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Reference links

Supplementary resources to enhance your learning experience.