An electron is travelling in the positive x direction. A uniform electric field is in the negative y direction. If a uniform magnetic field with the appropriate magnitude and direction also exists in the region, the total force on the electron will be zero. The appropriate direction for the magnetic field is:
A) the positive y direction
B) the negative y direction
C) into the page
D) out of the page
E) the negative x direction

Question

An electron is travelling in the positive x direction. A uniform electric field is in the negative y direction. If a uniform magnetic field with the appropriate magnitude and direction also exists in the region, the total force on the electron will be zero. The appropriate direction for the magnetic field is: 
A) the positive y direction 
B) the negative y direction 
C) into the page 
D) out of the page 
E) the negative x direction

Quizplus · Accepted Answer

The Answer of An electron is travelling in the positive x direction. A uniform electric field is in the negative y direction. If a uniform magnetic field with the appropriate magnitude and direction also exists in the region, the total force on the electron will be zero. The appropriate direction for the magnetic field is: 
A) the positive y direction 
B) the negative y direction 
C) into the page 
D) out of the page 
E) the negative x direction

An Electron Is Travelling in the Positive X Direction