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Q1: Q1) Doping is introduction of impurities into the intrinsic semiconductor for the purpose of modulating electrical, optical and structural properties. Doping is important because it greatly conductivity of semiconductor and also the hole electron concentration. Three materials which can use p type doping is Boron,Aluminium, Indium. The common characteristic of these elements is that they have one electron deficiency in valence shell.See Answer
Q2: Through which resistor will the most current flow when a voltage is applied to the circuit? See Answer
Q3: 18 What will be the voltage measured going into R3 if 24V is applied? See Answer
Q4: :A 100 2 transmission line has an effective dielectric constant of 1.65. Find the shortest open-circuited length of this line that appears at its input as a capacitor of 5 pF at 2.5 GHz.Repeat for an inductance of 5 nH.See Answer
Q5: The VSWR on a lossless 300 transmission line terminated to a load with unknown impedance is 2.0, and the nearest voltage minimum is at a distance 0.31 from the load Determine (a)IL, (b) Zi.See Answer
Q6: Given, forward drop voltage =1.2V And diode resistance =250hm For only diode drop \text { Current }=\frac{\text { Supply voltage - Diode drop }}{\text { load resistance }}=\frac{6-1.2}{120}=0.04 \mathrm{~A} For diode drop and resistance included \text { Current }=\frac{\text { Supply voltage-Diodedrop }}{\text { load resistance }+\text { diode resistance }}=\frac{6-1.2}{120+25}=0.0331 \mathrm{~A}See Answer
Q7: a. Determine the equivalent (Thevenin) circuit at the fault point (FX) b. Determine the operation time of the four overcurrent elements at the 115 kV side of the transformer, for a phase a-to-ground fault at the point indicated on the13.8kV line, very close to the bus. These relays are connected to CT's with CTR=200/5. The phase relays have I pick-up=5 A, TD=2; and the ground element has Ipick-up=1 A and TD=3. All the relays have U.S. very inverse curve.(Assume transformer is Dyn1) See Answer
Q8: In the circuit below, V = 10 Volts. Answer the following questions: ] Find the value of l1. s] Find the value of l2. ] Find the value of l3. Find the power of the upper resistance 5 Ohms. See Answer
Q9: An asynchronous finite state machine (FSM), with six states1, 2, 3, 4, 5 and 6, is described by the primitive flow table in Figure4.a) i. Minimize the number of states in the FSM and explain the methods you use. ii. Derive the Boolean equations for the combinatorial logic needed to implement the FSM. b) A serial multiplier circuit is constructed from a 4-bit binary adder and registers to produce an 8-bit unsigned product from two4-bit input words. Assuming that there is no special register for a carry bit, show the contents of the registers step by step when the multiplier is used to multiply 11 by 13. If a system is designed for multiplying large matrices, such as in graphics processing, is it better to use serial or parallel multipliers in the system2 Why?See Answer
Q10: 6 (H) Application: three-phase power measure mentIn a balanced, three-phase system as shown in Figure P9.26,the load power can be measured by using two watt meters.The power measured by W1 is P1, P1 = Re(Vabla*) and the power measured by W2 is P2, P2 = Re(Vel*). Show that the total real power PT = P1 + P2. See Answer
Q11: (A)* Design a DC power supply that supplies a DC voltage of 20 V to a load resistance of 500 Q. Consider an AC input of 120 V/60 Hz. Choose suitable values for the capacitor and the transformer turns ratio. The ripple voltage should be less than 10% of the output voltage. Consider Rs = 100 ohmsSee Answer
Q12: 9. Given the following Parallel circuit, what are the separate currents through each resistor? See Answer
Q13: 3. Step 2 results in 2 equations, but we have 3 unknowns (I1, I2 and I3). Write a KCL equation for Node 1 (this would also apply at Node 2). a. KCL for Node 1 or Node 2:See Answer
Q14: Q3) How can we measure the resonance frequency to test our theory from question two? Using an oscilloscope and the answer to question 1 should be enough information to figure this out. (HINT:Think about Ohm's Law) Experiment Design:After completing the questions above your group needs to design an experiment that would determine the resonance frequency of an RLC circuit. You will be given the followingequipment: 1) Oscilloscope 2) Function Generator 3) Single Capacitor 4) Single Inductor 5) Several Resistors of varying Resistance values Important things to take note of. You will be able to use both channels of the Oscilloscope. Our digital Oscilloscopes have the ability to perform math operations between the two channels (EX:Chị x Ch2, CH1 – CH2,...). You want a clear experiment design by the end of the lab section with detailed procedures and expectations. Think about reproducibility, what things should be kept constant, and out of the given materials what can you change to show any predictable trends.See Answer
Q15: 8. Conclusion: In a few sentences, describe what you have learned in this experiment.See Answer
Q16: 2. Write KVL equations for the bottom loop and the top loop (go clockwise around each loop). a. KVL for bottom loop: b. KVL for top loop:See Answer
Q17: We study a version of the problem. An inverted pendulum-a stick with amass-sits on a cart. The pendulum is hinged to the cart and is free to pivot.The cart is controlled by a horizontal force exerting on the cart. It is the input for balancing the stick. The modeling of the system follows. We may all have the experience of balancing a stick on our fingertip or on our hand. It is an exercise most of us can learn to do. Watching the leaning of the standing stick and moving our hand we can keep it upright. Balancing a stick is clearly a dynamic act and it requires feedback. See Answer
Q18: 7. Bonus: Use mesh analysis to prove your current solutions. Use nodal analysisto find the voltage at node 1 and node 2.Dart 2. Simulation Part 2: Simulation 1. Create the schematic in PSpice. 2. Simulate using Bias Point Analysis. a. Submit a screenshot of your schematic with voltage, currentand power displayed.See Answer
Q19: For the circuit shown below: a) Find the Thevenin voltage, in V. b) Find the Norton current, in mA. C) Find the Thevenin resistance, in kn. d) Sketch the Thevenin equivalent circuit (include this in your written work). e) Sketch the Norton equivalent circuit (include this in your written work). See Answer
Q20: Q1) What happens to the circuit's impedance, eq(1), when XL=Xc?See Answer

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