Practice Motion in a Uniform Magnetic Field - D3.2 | Theme D: Fields | IB MYP Grade 11 Physics
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D3.2 - Motion in a Uniform Magnetic Field

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the formula for the Lorentz force on a charged particle?

💡 Hint: Remember the force is based on the charge, velocity, and magnetic field.

Question 2

Easy

Define circular motion in the context of charged particles in a magnetic field.

💡 Hint: Think about how direction changes but speed remains the same.

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 does the Lorentz force depend on?

  • Mass of the particle
  • Charge of the particle
  • Velocity and Magnetic field

💡 Hint: Remember the formula to help you.

Question 2

True or False: Charged particles moving in a magnetic field experience a force that changes both speed and direction.

  • True
  • False

💡 Hint: Consider what happens when the speed remains constant.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A charged particle with a mass of 9.11 x 10^-31 kg and a charge of +1.6 x 10^-19 C enters a magnetic field of 0.8 T with a velocity of 3.0 x 10^6 m/s at a right angle. Calculate the radius of the particle's circular path.

💡 Hint: Similar to previous calculations, plug in the particle's mass, charge, velocity, and magnetic field.

Question 2

A velocity selector requires that particles move with a speed of 3.5 x 10^5 m/s. If the electric field strength is 5.0 x 10^4 N/C, what magnetic field strength is needed to keep particles undeflected?

💡 Hint: Quick rearrangement of the equation can help you find the value of B.

Challenge and get performance evaluation