The triangular loop of wire shown in the drawing carries a current of I = 3.60 A. A uniform magnetic field is directed parallel to side AB of the triangle and has a magnitude of 1.37 T. (a) Find the magnitude of the magnetic force exerted on each side of the triangle. (b) Determine the magnitude of the net force exerted on the triangle.
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- A horizontal power line of length 56.2 m carries a current of 2.38 kA northward as shown in the figure below. The Earth's magnetic field at this location has a magnitude of 5.10 x 10-5 T. The field at this location is directed toward the north at an angle 65.0° below the power line. B 65.0° (a) Find the magnitude of the magnetic force on the power line.A metal rod of 1.50 m long stands vertically near the earth’s equator carrying a current of 2.00 A down to the ground. The earth’s magnetic field at the location has a magnitude of 0.5 *10-4 T and points directly to the north. (a) What is the magnitude of the magnetic force on the wire? (b) What is the direction of the magnetic force on the wire?Several electrons move at speed 5.00 × 10^5 m/s in a uniform magnetic field with magnitude B = 0.500 T directed downward. Find the magnetic force on the electron at point c where the velocity of the electron maks a 30 deg angle with the horizontal, pointing to the upper right. Enter a positive value if the direction of magnetic force is out of the page and enter a negative value if the direction of magnetic force is in to the page. Use E-scientific notation. Round to 2 decimal places.
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