In the diagram below, current 11 flows in the long conductor and current 12 flows in the conductive rectangular loop, which lies in the y-z plane. Assume 11 is flowing up, in the +z direction, and 12 is flowing in the clockwise direction. Which of the following statements are correct? X
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- letter questions d, e, f, and gFor the circuit shown below, Ɛ = 32 V, R, = 27 N, R, = 54 N, R3 = 81 N, and L = 4.0 mH. Find the values of I, and I, (in A) at the following times. R1 R3 1/2 R2 (a) immediately after switch S is closed I, = A I2 A (b) a long time after S is closed I, A I2 A (c) immediately after S is reopened (Assume the circuit has reached a steady state before S is reopened.) I = A I2 A = (d) a long time after S is reopened A I, = A 0000The electric field in three different wires (I, II, III) made of the same metal, with current flowing in the wires, is shown below. (The rest of the circuit, including the battery, is not shown.) The electric field in each wire is: É 1 = É 3 = (0.050, 0, 0) V/m and É 2 = (0.800, 0, 0) V/m. Wires I and III have a diameter d1 = 0.005 m, and Wire |l has a diameter d = 1.25 × 10¬3 m. In Wire I, 6.19 х 1018 electrons flow per second at an average drift speed 3.5 x 10-º m/s. di d2 dị A В C x=0 x=0.5 m x=0.6 m x=1.6 m I II III
- A battery with E = 5.10 V and no internal resistance supplies current to the circuit shown in the figure below. When the double-throw switch S is open as shown in the figure, the current in the battery is 1.00 mA. Wwhen the switch is closed in position a, the current in the battery is 1.22 mA. When the switch is closed in position b, the current in the battery is 1.98 mA. R1 R2 R2 (a) Find the resistance R,. kN (b) Find the resistance R,. kn (c) Find the resistance R,.The figure below is a cross-sectional view of a coaxial cable. The center conductor is surrounded by a rubber layer, an outer conductor, and another rubber layer. In a particular application, the current in the inner conductor is I, = 1.16 A out of the page and the current in the outer conductor is I, = 2.90 A into the page. Assuming the distance d = 1.00 mm, answer the following. d d (a) Determine the magnitude and direction of the magnetic field at point a. magnitude HT direction -Select--- (b) Determine the magnitude and direction of the magnetic field at point b. magnitude UT direction ---Select---1) A 5.50 m length of 1.9 mm -diameter wire carries a 780 mA current when 23.0 mV is applied to its ends. The drift velocity is 1.2×10−5 m/s Part D Determine the electric field inside the wire. Express your answer to two significant figures and include the appropriate units. Part E Determine the number n of free electrons per unit volume. Express your answer using two significant figures.