Question
Question: An electron enters a magnetic field whose direction is perpendicular to the velocity of the electron...
An electron enters a magnetic field whose direction is perpendicular to the velocity of the electron. Then
A
The speed of the electron will increase
B
The speed of the electron will decrease
C
The speed of the electron will remain the same
D
The velocity of the electron will remain the same
Answer
The speed of the electron will remain the same
Explanation
Solution
Force acts perpendicular to the velocity in a magnetic field, so speed of electron will remain same.