B. PROCEDURES Create the circuit shown in figure A. 1. 2. Measure the total currentI, and voltage v1. 3. Compute R, using the formula "1/1, and using the delta-wye conversion formula. 4. Compute for the percent difference and record it. C. CIRCUIT DIAGRAM :It R1 10kO R4 4.0kO R3 V1 12V SkO R2 2k0 R5 6k0 CIRCUIT DIAGRAM D. DATA AND RESULTS Rt = Edc/It (Computed) Rt(VOM) Vị dc It Rt(VOM) %difference %difference Rt=Edc/It Table A.
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- B. Define ( resistance, reactance, impedance. rks rksaloulated m O1 the value you Up = A cos wt +1o Calaulate maarli)-min(i) =? Use constant voltage drop mad. Don7 to write units. . - 3.7V forgetRefer to the circuit on the right. VEB = 0.7 V, when the BE junction is conducting. VECsat = 0.2 V B Vref = 2.2 V (Use two decimal places.) = ∞ VREF IL +5 V R LOAD Figure 2 a. What should be the value of R in ohms if IL is to be maintained at 146 mA under changing load conditions? b. In order to maintain this load current, what should be the maximum allowable load resistance in ohms?
- a) Graphically show the differences between alternating current voltage (A.C) and direct current voltage (D.C). What are the advantages of A.C compared to D.C?Consider the circuit shown in Figure P1.68. a. Which elements are in series?b. Which elements are in parallel? c. Apply Ohm’s and Kirchhoff’s laws to solve for R x.Basic Electrical EngineeringDraw symbols of electrical components. Note: You may use both IEC and NEMA symbols. - Conductors crossing but not connected- Conductors crossing and connected - DC source other than battery- DC generator- AC voltage source- Ideal current source- Ideal Voltage Source- Current Controlled Current Source- Current Controlled Voltage Source- Voltage Controlled Current Source - Voltage Controlled Voltage Source
- Identify elements that are in parallel a. in Figure P1.37, b. in Figure P1.43, c. in Figure P1.44.Suppose the three branch currents in this circuit are I₁ = -3 A, I₂ = -18 A, and I3 = -15 A. The voltage drop across each circuit element is as given in the table below. From this information, determine, for each of these circuit elements, (i) whether an active or passive sign convention is being used for that element, (ii) whether that element is absorbing or producing a net (positive) amount of electrical power. In each answer box within the table below, type the correct choice from among the bold-faced words above. V₂ B A B A C D 1₁ A B 1₂ 1₂ + Circuit element Voltage drop Sign convention? Absorbing or producing net electrical power? -9 V -2 V C 9 V -11 V DEлample (1) For the series-parallel arrangement shown in Figure below, find: a) The supply current. I ?. b) The current flowing through each resistor. c) The p.d. across each resistor. R3 2.50 40 Ri R4 RE I ? 200V
- 2:34 ull 4G I moodle1.du.edu.om An RTD forms one arm of a Wheatstone bridge as shown in the figure. The RTD is used to measure a temperature with the bridge is operated in a balanced mode. The RTD has a resistance of 252 at a temperature of 0°C and a thermal coefficient of resistance a=0.003925C-1. The value of the variable resistance R, must be set to 41.485 Q to balance the bridge circuit. Determine the temperature measured by the RTD where R2=R3=1002 R2 R3 RTD RRTD E, Select one: O a. 4200Consider a typical electrical circuit system shown in Figure 2. The circuit consisting of two resisters value R, and R2 (ohm), a capacitance of value C (farad) and an inductance of value L (henry). The input is the supplied voltage V, and the output voltage is Vo- viz R1 Vi R2 Vo Figure 2 (1). Apply Kirchhoffs voltage law or other principles to derive the input-output dynamic model equation. (i). Apply Laplace Transform to determine the model transfer function for the electrical system. (i). Estimate the transfer function for the following R; = (ohm) and R2 = (ohm), L = (henry), and C = (farad) values. Task 4 R, (ohm) R: (ohm) C (farad) (henry) Note: Refer the Table for R1, R2, C and L values. 27 13 24 4 lellllThe voltage regulation can be equal to zero :when .The t and current is not too highO .The p.f. is leading p.f. for any possible current O .The p.f. is lagging p.f. for rated current O