Homework Statement
I have two related questions here.
1. A positive point charge is moving directly toward P. The magnetic field that the point charge produces at P is?
2. Two positive point charges move side by side in the same direction with the same velocity.
What is the direction of the...
Homework Statement
Given the figure below[/B]
I need to calculate the total magnetic force on the semicircle section of the conductor.
Current is I, Radius is R, and the Magnetic Field is B.
Homework Equations
d\vec{F} = Id\vec{l} \times \vec{B}[/B]
The Attempt at a Solution
[/B]
dl is...