What is the magnitude of the magnetic field at point “P" which is located at a dis- tance of 0.50 m from the z axis? (in µT)
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- Nonuniform displacement current. The figure shows a circular region of radius R = 3.5 cm in which a displacement current is directed out of the page. The magnitude of the displacement current is J, = (2 A)(r/R), where r is the radial distance (r < R) from the center. What is the magnitude of the magnetic field due to Ja at radial distances (a) r= 1.5 cm and (b) r%3D 4.0 cт? R 11.42 (а) В - 100 (b) В %-A flat 12-cm ́12-cm square coil has 30 turns and sits in the xy-plane. It carries a 38-A current that is clockwise when viewed from above, the positive-z direction. (a) What is the magnetic field (vector) at the center of the coil?(a) An oxygen-16 ion with a mass of 2.66 × 10−26 kg travels at 5.0 × 106m/s perpendicular to a 1.20-T magnetic field, which makes it move in a circular arc with a 0.231-m radius. What positive charge is on the ion? (b) What is the ratio of this charge to the charge of an electron? (c) Discuss why the ratio found in (b) should be an integer.
- Assume that the magnitude of the magnetic field outside a sphere of radius R is B = Bo(R/r)2, where Bo is a constant. Determine the total energy stored in the magnetic field outside the sphere and evaluate your result for Bo = 5.00x 10-5 T and R = 6.00x 106 m, values appropriate for the Earth's magnetic field.A rectangular loop of length L = 0.3 m and width W = 0.45 m carrying a current I = 2 A is exposed to a uniform magnetic field of magnitude B = 6 T, in the plane of the page and pointing to the right, as shown in the left-hand figure (Front View). BO Front View Le W B B What is the magnitude of the torque on the loop? (a) 7 = 1.522 N.m (b) 70.631 N.m O (c) T = 0.554 N.m Top View W At the instant shown, the wire loop makes an angle = 20° with the horizontal.A oxygen ion with a -2 charge is traveling in the +z direction. It enters a region of uniform magnetic field that points to the -y direction. When the ion enters this region, which direction will it be deflected?