The figure shows a cross section across a long cylindrical conductor of radius a = 1.74 cm carrying uniform current 59.9 A. What is the magnitude of the current's magnetic field at radial distance (a) 0, (b) 0.629 cm, (c) 1.74 cm (wire's surface), (d)2.81 cm?

A rod with radius R = 2.02 mm is carrying a current of 13.0 A. determine the magnetic field at the following distances from the center of the rod. a) r(a) = R/2   b) r(b) = 3R/2

A straight wire carries 3.00 A current pointing to the x-axis. What is the magnitude and the direction of the magnetic field 2.00 m below the wire?

A long straight conducting rod carries a current I with a non-uniform current density J = ar2, and has a radius R. The value of the constant is 32.0 A/mm4 and the radius of the rod is 4.80 mm. Determine the magnitude of the magnetic field at the following points. (b) r2 = 2R

A horizontal current-carrying wire that is perpendicular to the plane of the paper is placed in a uniform magnetic field of magnitude 2.2 mT that is parallel to the plane of the paper and points down. At the distance 1.0 cm to the right of the wire, the total magnetic field is zero.

The figure shows a cross section across a long cylindrical conductor of radius a = 1.77 cm carrying uniform current 41.8 A. What is the magnitude of the current's magnetic field at radial distance (a) 0, (b) 1.25 cm, (c) 1.77 cm (wire's surface), (d)2.88 cm? (a) Number 0 (b) Number i 7.2288E-4 (c) Number i (d) Number i Units T Units Units Units T

The set up is shown in the figure, where 25 A is flowing in the wire segments, AB = CD = 36 m, and the wire segment arc has a radius 33 m subtending an angle of 90◦. The permeability of free space is 1.25664 × 10^−6 T · m/A. Find the magnitude of the magnetic field at O due to the current segment ABCD.Answer in units of T.

The current density inside a long, solid, cylindrical wire of radius a = 2.4 mm is in the direction of the central axis and its magnitude varies linearly with radial distance r from the axis according to J = Jor/a, where J = 430 A/m2. Find the magnitude of the magnetic field at a distance (a) r=0, (b) r = 1.7 mm and (c) r=2.4 mm from the center. The tolerance is + 3%. (a) Units (b) Number i Units (c) Number i Units

Three very long, straight, parallel wires each carry currents of 15.6 A, directed into of the page. The wires pass through the vertices of a right isosceles triangle of side 13.1 cm. What is the magnitude of the magnetic field at point P at the midpoint of the hypotenuse of the triangle?