Question: Given E = xa x + ya y , (a) Find the work involved in moving a unit positive charge on a circular arc, the

Given E = −xax + yay,

(a) Find the work involved in moving a unit positive charge on a circular arc, the circle centered at the origin, from x = a to x = y = a/√2;

(b) Verify that the work done in moving the charge around the full circle from x = a is zero.

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