Single Answer MCQ
Q-00040533
What is the primary effect of a magnetic field on an electron moving through it?
1
It speeds up the electron.
2
It slows down the electron.
3
It changes the direction of the electron.
4
It adds mass to the electron.
Answer and Solution
Answer
C. It changes the direction of the electron.
Solution:
A magnetic field exerts a force on a moving electron, which causes its direction of motion to change without changing its speed.
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