A magnetic core with an air gap is shown below. For a relative permeability is 3500, and the space free permeability is 4πx107 H/m. Find the reluctance of the left leg and the top side of the core. Ignore the gap in your calculations. 10 cm N 0.1 cm gap 20 cm 5 cm 5 cm 40 cm core depth = 10 cm 5 cm Select one: O a. Rleft = 1251 A.t./Wb, Rtop 1023 A.t/Wb O b. None C. Rleft 12.51 KA.t./Wb, Rtop = 10.23 KA.t/Wb = d. Rieft 125.1 A.t./Wb, Rtop = 102.3 A.t/Wb Clear my choice <

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10.A. Which of the following is required in each separate service disconnecting means?A. Grounding electrodeB. Service conductorC. Main bonding jumperD. Equipment grounding conductor10.B. When sizing an equipment bonding jumper on the load side of an overcurrent protective device, thesize of the conductor jumper is based on theA. current rating of the protective device.B. size of the feeder's equipment grounding conductor.C. size of the grounding electrode conductor.D. size of the conductors feeding the protective device.10.C. Grounding clamps are typically suitable for connecting how many conductors?A. OneB. ThreeC. FourD. Two