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The power factor of a circuit is 0.5 lagging. The power delivered in watts is 500. If the input voltage is 50 sin (ωt + 40°), find the sinusoidal expression for the input current.
Electrical & Electronics, Engineering
Question 1 - For the transistor in the circuit shown in Figure, assume β = 120. Design the circuit such that I CQ = 0.15 mA and R TH = 200kΩ. What is the value of V CEQ ? Question 2 - (a) For the circuit shown in figure, ...
Summative Assessment In 2017 SEJ101 assessment will consist of nine tasks that will develop a portfolio of your assessed work. Throughout the trimester you will have the opportunity for feedback on all nine tasks before ...
Assignment - Consider a common emitter amplifier: Now let's say that R B and R C do a fine job at DC biasing the BJT but they are large so they can be neglected for small signal (AC) analysis. In that case, the equivalen ...
1. (a) Name the three major groups of contamination and briefly describe their physical characteristics. (b) Where do the above contamination types come from? Give one example of each. 2. Name two processes metrics which ...
Question 1: In the voltage regulator circuit in Figure P2.21, V 1 = 20 V, V Z = 10 V, R i = 222Ω and P z (max) = 400 mW. (a) Determine I L, I z , and I L , if R L = 380Ω. (b) Determine the value of R L , that will establ ...
CASE STUDY This assignment consists of a written report of approximately 1000 words and any diagrams in which you are asked to critically compare different process methods used to achieve the same result and show an awar ...
Question 1 For the CE amplifier in Figure (1), given the following component parameters: Parameter Value β DC , β AC 150 V BE 0 . 7 V V CC 12 V R C 820 ? R E 1 100 ? R E 2 220 ? R 1 20 k? R 2 5 . 2 k? R L 100 k? C 1 , C ...
Problem # 1: Given a sequence x(n) for 0≤n≤3, where x(0) = 1, x(1) = 1, x(2) = -1, and x(3) = 0, compute its DFT X(k). (Use DFT formula, don't use MATLAB function) Problem # 2: Use inverse DFT and apply it on the Fourier ...
Research report 1. Read 3 to 4 journal articles about digital control or industrial control, eg. one particular application, implementation aspect such as selection of sampling time, hardware etc. No text book example is ...
Questions - Problem 1 - Given the sinuosidal voltage v(t) = 50 cos(30t+10 o ) V, find: (a) the amplitude V m (b) the period T, (c) the frequency f and (d) v(t) at t = 10 ms. Problem 2 - A current source in a linear circu ...
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