Okay, yeah, you're right - for some reason I thought that the "equilateral triangle" was physical, when it's not... but I'm still confused about what to do with the two separate wires.
Homework Statement
Two long straight wires sit at the lower corners of an equilateral triangle and carry current I. Find the magnitude and direction of the B field at the top vertex of the triangle for the case where:
a) the current in both lower wires flows out of the page
b) the...
Homework Statement
Determine whether or not the sequences below are summable:
{(-1)^n}
{(-1)^n + (-1)^(n+1)}
{(-1)^n} + {(-1)^(n+1)}
Homework Equations
The Attempt at a Solution
Okay, I'm having some trouble thinking about these the right way. Since
{(-1)^n}= -1, 1...