Two long, straight wires are oriented perpendicular to the xy-plane. They carry currents of equal magnitude I in opposite directions as shown in the figure. What is the direction of the magnetic field due to these currents at point P ? b. a a E
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- Two long wires are oriented so that they are perpendicular to each other. At their closest, they are 20.0 cm apart (see the figure(Figure 1)). Figure Part A B = Submit B = ? 10.0 cm Dr 17 ΑΣΦ IT=2 10.0 cm = 20.0 A Bottom wire Request Answer What is the magnitude of the magnetic field at a point midway between them if the top one carries a current of 20.0 A and the bottom one carries 12.0 A? ?The figure shows a cross section of several conductors carrying currents through the plane. The currents have the magnitudes l₁ = 4 A, 1₂ = 6 A and 13 = 2A. The directions of the currents is shown at the picture. Four paths labeled a through d are shown. What is the line integral of the magnetic field across each path? Each integral involves going around the path in the counter clockwise direction. 1. What is the line integral of the magnetic field across path a? Enter the missing part in the expression Ho 2. What is the line integral of the magnetic field across path b? Enter the missing part in the expression Ho'l 3. What is the line integral of the magnetic field across path c? Enter the missing part in the expression Hol 4. What is the line integral of the magnetic field across path d? Enter the missing part in the expression Ho 110 b 120 d ) ) ) )The wire has 5 segments each 1m and can rotate around the axis shown. The wire is placed in a magnetic field of 1.0 T magnitude. The direction of the magnetic field is parallel to one of the segments as shown in the figure. If the wire carries 2.0 A current, what are the magnitudes of the net magnetic force acting on the wire and the torque with respect to the axis?
- A proton moves with a velocity of = (6î – 4ĵ + k) m/s in a region in which the magnetic field is B = (1 + 2ĵ – k) T. What is the magnitude of the magnetic force this particle experiences? N Need Help? Read It Watch ItEach of two long straight parallel wires 8 cm apart carries a current of 125 A. The figure shows a cross section, with the wires running perpendicular to the page and point P lying on the perpendicular bisector of the line between the wires. Find the magnitude and direction of the magnetic field at P when the current in the left-hand wire is out of the page and the current in the right-hand wire is into the page. What is the magnitude of B? What is the value of By? What is the value of Bz?A wire of length e = 0.35 m is conducting a current of i = 7.5 A toward the top of the page and through a B = 6.0T uniform magnetic field directed into the page, as shown in the figure. What is the magnitude F of the magnetic force on the wire? F = What is the direction of the magnetic force on the wire? up into the screen left right out of the screen down