2024HSCMultiple choice
Q19
1 mark
Question
In a vacuum chamber there is a uniform electric field and a uniform magnetic field.
A proton having a velocity, , enters the chamber. Its velocity remains unchanged as it travels through the chamber.
A second proton having a velocity, , in the same direction as the first proton, then enters the chamber at the same point as the first proton.
In the chamber, the acceleration of the second proton
A. is zero.
B. is constant in magnitude and direction.
C. changes in both magnitude and direction.
D. is constant in magnitude, but not direction.
Syllabus alignment
Module 6 · Electromagnetism
- Charged Particles, Conductors and Electric and Magnetic FieldsAnalyse forces and curved trajectories of moving charges in uniform magnetic fields and compare them with electric-field motion.
- Charged Particles, Conductors and Electric and Magnetic FieldsAnalyse forces, acceleration, work and trajectories of charges in uniform electric fields, including parallel plates.