A 10 cm x 10 cm square conducting loop, centered at the origin in the x-y plane, has 10 ohms of distributed resistance. The magnetic flux density increases at the rate of 100 (Wb/m²)/sec in the az direction. The magnitude of the induced current in the conducting loop is equal to: Select one: Oa. 0.1 mA O b. 100 mA Oc 20 mA O d. None of these
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- Four point charges are placed at corners of a square . At the top left is a charge of - 1 C, at the top right is a charge of - 2 C, at the bottom right is a charge of -3 Cand at the bottom left is a charge of - 4 C. What is the direction of the net electric force due to the four point charges on a positive charge Q located at the center of square ? O due North O due South O Sw O SE7. Each of three insulators forming a string has self-capacitance of “C" farad. The shunt capacitance of each o h cap of insulator is 0-25 C to earth and 0-15 C to line. Calculate the voltage distribution across each insulator as a pecentage of line voltage to earth and the string efficiency. [ 31-7%, 29-4%, 38-9%; 85-7%]Consider the large inductor in Figure 3 with given number of turns N, core permeability μ, core cross section area A, and core diameter are given. Note that the core length l is equal to π times the core diameter. Answer the questions and pick an answer from the given choices. The coil is made up of copper wire that has a cross section area of 1 cm2, and the length of each turn is nearly equal to 1 m. Find the resistance of the coil. (Assume an operating temperature of 20o C). 1) 180.2 mΩ 2) 17.2 mΩ 3) 1.2 Ω 4) 850.5 mΩ
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