3.2.8 - Motion of a Charged Particle in a Magnetic Field
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Practice Questions
Test your understanding with targeted questions
What happens to a charged particle in a magnetic field?
💡 Hint: Think about perpendicular forces and motion.
Write down the formula for the radius of a charged particle's circular path.
💡 Hint: It involves mass, charge, and velocity.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the motion of a charged particle in a magnetic field?
💡 Hint: Think about the force's direction.
Increasing the velocity of a charged particle while keeping the magnetic field constant will decrease its circular path radius. True or False?
💡 Hint: Review the radius formula clearly.
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Challenge Problems
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An electron with a charge of -1.6 x 10^-19 C and mass 9.11 x 10^-31 kg enters a magnetic field of strength 1 T at an angle of 90° with a speed of 3 x 10^7 m/s. Calculate the radius of its path.
💡 Hint: Keep track of the signs; the charge affects direction but not radius in this case.
If a charged particle takes 0.1 seconds for a full circular revolution in a magnetic field of 0.2 T, determine its mass if its charge is 1.6 x 10^-19 C.
💡 Hint: Rearranging formulas is key! Ensure to plug values carefully.
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