Problem 1: Determine a system of first-order differential equations that describes the currents iz(t) and iz (t) in the electrical network shown in Figure. R1 E L2 R2
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- Problem 3: Consider a circuit shown in the figure. Ignore the internal resistances of the batteries. ℰ1 = 34 Vℰ2 = 46 VR1 = 10 ΩR2 = 4 ΩR3 = 8 Ω. 1. Write the equation of potential change in loop DCAF in terms of the circuit elements. 2. Solve the three equations to get I3. 3. Calculate the numerical value of I3 in A. 4. Calculate the numerical value of I2 in A. 5. Calculate the numerical value of I1 in A.I need help with both parts, part A and Part BThe figure below represents a section of a circular conductor of nonuniform diameter carrying a current of I = 5.30 A. The radius of cross-section A1 is r1 = 0.510 cm. What is the magnitude (A/m2) of the current density across A1? Since the radius r2 at A2 is larger than the radius r1 at A1. will the current and current density at A2 larger, smaller, or the same? Assume A2 = 5A1. What is the radius, the current, and the current density at A2?
- The figure below represents a section of a circular conductor of nonuniform diameter carrying a current of I = 5.40 A. The radius of cross-section A₁ is r₁ = 0.360 cm. A₁ (a) What is the magnitude of the current density across A₁? A/m² The radius r₂ at A₂ is larger than the radius ₁ at A₁. (b) Is the current at A₂ larger, smaller, or the same? O The current is larger. O The current is smaller. O The current is the same. Az (c) Is the current density at A₂ larger, smaller, or the same? O The current density is larger. O The current density is smaller. O The current density is the same. Assume A₂ = 3A₁. (d) Specify the radius at A₂. mm (e) Specify the current at A₂. (f) Specify the current density at A₂. A/m²for the network of Figure Q4 (c), R = 40Ω _, L= 4 H, C= 1/4 F, Calculate the characteristic roots of the circuit.An electrical engineer is attempting to determine the currents through each branch of the circuit in the figure below. The engineer has assumed the currents are in the directions shown in the figure. The engineer has found that the current I, is 3.57 A and the values of E and R are unknown. 24.0 V + a 3.00 N- 6.00 N What is the magnitude of the current I, (in A)? A Does the direction of the current I, match the direction shown in the figure? Yes, I, points in the direction shown. No, I, points opposite to the direction shown. The magnitude of I, is zero, so there is no direction. What is the magnitude of the current /, (in A)? A Does the direction of the current /, match the direction shown in the figure? Yes, Ia points in the direction shown. No, I, points opposite to the direction shown. The magnitude of I, is zero, so there is no direction.
- Apply Kirchhoff rules. Determine EMF of the battery. The current given above is total current in the circuit.A conducting bar moves as shown near a long wire carrying a constant 50-A current. If a = 8.0 mm, L = 50 cm, and v= 12 m/s, what is the potential difference, V, - V,? A A B 50 Ahow to compute for R(ab) if R1 = 50Ω, R2 = 75Ω, and R3 = 100Ω. please show the full solution.
- Please answer D and E only, i alreday have answer for A, B and C, thanks. i am attaching answer A, B and C here for reference, thanksThe current in a wire varies with time according to the relation I = 55 A - (0.65 A/s²)t². For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Current density and drift velocity in a wire. How many coulombs of charge pass a cross section of the wire in the time interval between t = 0 and t = 8.5 s? Express your answer in coulombs. Q= Submit Part B I = ΑΣΦ Submit Request Answer What constant current would transport the same charge in the same time interval? Express your answer in amperes. ΑΣΦ ? Request Answer ? AImagine that we connect the terminals of a 1.5 V battery with a single wire 30 centimeters long. a) What is the electric field magnitude in the wire when dynamic equilibrium is established and why? b) Does this field strength depend on the wire's conductivity and/or its cross-sectional area? c) Does the total current flowing in the wire in these circumstances depend on the wire's conductivity and/or its cross-sectional area? Explain.