Recent content by Steenrod

Thank you for the answer.How silly of me to use that unit vector k.

Homework Statement A conducting bar of length l is placed on a frictionless plane tilted at an angle θ from the horizontal.A uniform magnetic field is applied to the vertical direction.To prevent the bar from sliding down, a voltage source is connected to the ends of the bar with current...

@voko, how did you write the equation? I do not know how to use LaTex on physics forums. I tried using $<code>$ but it does not seem to work well.

How correct is "deriving" Coulomb's Law from Gauss's Law Homework Statement Here is a question that appeared in my school question paper: "Derive Coulomb's Law from Gauss's Law." 2. The attempt at a solution I tried the following: Consider a Gaussian Sphere or radius $r$ By Gass's...