Recent content by amoena

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    How do I get E field?, etc.[Griffiths EM example 7.2, p 287.]

    Representing the electric field by the field lines, the intensity of the electric field is equal to the number of field lines crossing the unit area. I thought the number of electric field line is arbitrary for a given charge, but does increase/decrease with the charge strength or distance...
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    How do I get E field?, etc.[Griffiths EM example 7.2, p 287.]

    Homework Statement two long cylinders (radii a and b) are separated by material of conductivity (sigma). if they are maintained at a potential difference V, what current flows from one to the other, in a length L? Homework Equations Please see the attachment The Attempt at a Solution...
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    Courses Does Choosing a BA Over a BS Impact Your Physics Grad School Prospects?

    Hello Dear mentors, fellows, and comrades in PF, I'm currently a junior per my credit hours, but I'm sort of late for a physics degree. I am strongly considering applying to grad school. My current plan for my rest 3 semesters in undergrad is like below. ODE is a prerequisite for both EM1...