The figure shows four current-carrying wires that are perpendicular to the page, where I₁ = 1.6 A, I₂ = 2.8 A, 13 = 3.2 A, and I4 = 4.6 A. Four Ampèrian loops are also shown. Find the current through each loop. (Indicate the direction with the sign of your answer.) Ithru, A= Ithru, B= Ithru, C = Ithru, D= A A A Loop A Loop B de 1₂ O Loop D Loop C 1₂8 de 4 de
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- The figure below shows, in cross section, four wires that are parallel, straight and very long. The currents in the wires are as follows: i1 = 148 A, i2 = 246 A, i3 = 297 A, and i4 = 78.0 A. The distance shown is 0.0360 m. What is the magnitude of the force per unit length on wire 2?"1 @ 2 W S d X The figure is a cross section through three long wires with linear mass density 54.0 g/m. They each carry equal currents in the directions shown. The lower two. wires are 4.0 cm apart and are attached to a table. ( Figure 1) Figure ** #1 m 3 E D 8.0 F3 $ 4 R F a FA C JL V 1 of 1 % 5 T S FS G A 6 B Part A What current I will allow the upper wire to "float" so as to form an equilateral triangle with the lower wires? Express your answer with the appropriate units. Fo Y Provide Feedback HÅ Value Submit Request Answer H & 7 N 84 F7 U J Units 8 DII FB I M 9 K ? DD F9 O 1 deletSuppose in the figure that the four identical currents i = 20 A, into or out of the page as shown, form a square of side 76 cm. a) What is the force per unit length (magnitude and direction) on the wire in the bottom left hand corner? (N/m) Take the positive y direction as up and the positive x direction as to the right. b)What is the magnitude of the force per unit length? c)What is the x component of the force per unit length? d)What is the y component of the force per unit length?
- The two wires shown in the figure below are separated by d = 10.4 cm and carry currents of I = 5.40 A in opposite directions. Two vertical, parallel wires are separated by a distance d. To the left of the left wire is an arrow labeled I pointing up. To the right of the right wire is an arrow labeled I pointing down. A point P2 is a distance 2d to the left of the left wire, and a point P1 is a distance d to the right of the right wire. (a) Find the magnitude and direction of the net magnetic field at a point midway between the wires. magnitude ?T direction (b) Find the magnitude and direction of the net magnetic field at point P1, 10.4 cm to the right of the wire on the right. magnitude ?T direction (c) Find the magnitude and direction of the net magnetic field at point P2, 2d = 20.8 cm to the left of the wire on the left. magnitude ?T direction6. Three long, straight wires are mounted on the vertices of an equilateral triangle as shown in the figure. The wires carry currents of I1 = 2.00 A, I2 = 5.000 A, and I3 = 4.50 A. Each side of the triangle has a length of 42.0 cm, and the point (C) is located half way between (I1) and (I3) along one of the sides. Find the magnitude of the magnetic field at point (C). oof19 oof19 oon oof19 oof19 oofl 18 of19 0of19 o0f19 oof19 oof19 19 0of19 o0fTwo long, parallel wires, each with a mass per unit length of0.040 kg/m, are supported in a horizontal plane by 6.0 - cm - longstrings, as shown in Figure P19.72. Each wire carries the same current I, causing the wires to repel each other so that theangle θ between the supporting strings is 16°. (a) Are the currentsin the same or opposite directions? (b) Determine themagnitude of each current.
- How much energy is stored in a 2.60-cm-diameter, 12.0-cm-long solenoid that has 200 turns of wire and carries a current of 0.800 A?Two long, parallel conductors, separated by 14.0 cm, carry currents in the same direction. The first wire carries a current I1 = 3.00 A, and the second carries I2 = 8.00 A. (See figure below. Assume the conductors lie in the plane of the page.) (d) What is the force per length exerted by I2 on I1?O 180, 90, 180 When using the Biot-Savart law, the angle between 7 and ds is _________ degrees for the left, degrees for the semicircle, and degrees for the right segment of the wire. Use the convention that ds points in the direction of the current. O 180, 90, 0 O 90, 0, 90 O 0.90.0 R O 0, 90, 180 H