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Four long, parallel power lines each carry 100 A currents. A
cross-sectional diagram of these lines is a square, 20.0 cm on each side.
For each of the three cases shown in Fig., calculate the magnetic
field at the center of the square.
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- Find the magnitude (in T) and direction (in degrees counterclockwise from the +x-axis) of the magnetic field at the point equidistant from the wires in the figure below, where x = 14.5 cm, I₁ = 3.50 A, 12 = 7.00 A, and I3 = 14.0 A. 4₂₁ 1₂ magnitude direction Use the rules of vector addition to sum the contributions from each wire. (Assume that the +x-axis is to the right and the +y-axis is up along the page.). 23.4 13 X T • counterclockwise from the +x-axisQuestion in the attachmentA uniform magnetic field of 0.0285 T points vertically upward. (Figure 1) Figure P Pearson
- A 9-A current flows through the wire shown. What is the magnitude of the magnetic field due to a 0.7-mm segment of wire as measured at: a. point A? A 3 cm < Previous 4 cm B Hint for (a) Magnetic field at A is scientific notation. For example, to enter 3.14 x 10-12, enter "3.14E-12".) b. point B? T. (Use the "E" notation to enter your answer in Hint for (b) Magnetic field at B is scientific notation. For example, to enter 3.14 x 10-¹2, , enter "3.14E-12".) T. (Use the "E" notation to enter your answer inhelp what is the answer?(1) Home circuit breakers have current capacities of about 10.0 A. How large a magnetic field would such a current produce 5.0 cm from a long wire’s center? (2) A jumper cable is used to start a car that has a dead battery. The cable barely reaches the car and, so, is outstretched in a straight line. The electric starter on the car draws 100 A. What is the magnetic field at a distance of 0.3 m from the cable?
- Three wires, all carrying currents of 3Aare sitting at the corners of a square into the page shown at the figure below. Calculate the magnitude of the magnetic field at the other corner of the square, point P, if the length of each side of the square is 5 cm.A current of 8.0 A circulates through a coil containing 200 turns of 1.5 m in diameter. a) Present the data appropriately and draw the outline of the situation described b) Find the magnetic field at a point along the coil 0.5 m from the center. c) Along the axis, at what distance from the center is the magnetic field five times smaller to the magnitude that it has in the center?