Awire, of length l = 4.1 mm, on a circuit board carries a current of i = 1.96 μa in the j direction. a nearby circuit element generates a magnetic field in the vicinity of the wire of b = bxi + byj + bzk, where bx = 4.9 g, by = 2.3 g, and bz = 2.4 g.
a. calculate the magnitude of the magnetic field b, in gauss, in the vicinity of the wire due to the circuit element.

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.