CIRCUITS LABORATORY EXPERIMENT 3 AC Circuit Analysis 3.1 Introduction The steady-state behavior of circuits energized by sinusoidal sources is an important area of study for several reasons. First‚ the generation‚ transmission‚ distribution‚ and consumption of electric energy occur under essentially sinusoidal steady-state conditions. Second‚ an understanding of sinusoidal behavior makes possible the prediction of circuit behavior when nonsinusoidal sources are used through the use of techniques
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BJT AC Analysis The re Transistor model 1 of 38 Remind Q-poiint re = 26mv/IE BJT AC Analysis Three amplifier configurations‚ Common Emitter Common Collector (Emitter Follower) Common Base 2 of 38 BJT AC Analysis 3 of 38 Process Replace transistor with small-signal model. Replace capacitors with short-circuits (at midband frequency caps have relatively low impedance) Replace DC voltage sources with short-circuits. Replace DC current sources with open-circuits). BJT AC Analysis
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AC/DC was formed in December‚ 1973‚ in Australia‚ by guitarist Malcolm Young‚ whom had just left his last band‚ Velvet Underground. He saw first hand all the benefits that came with being a rock star‚ as his older brother‚ George Young‚ reach the big time as a member of the popular 1960s band‚ the Easybeats. He very much wanted to follow in George’s footsteps. Malcolm also could see that his younger brother‚ Angus‚ was a very talented guitar player‚ even if he was only 15 years old‚ and picked him
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Chapter 4 DC to AC Conversion (INVERTER) • General concept • Basic principles/concepts • Single-phase inverter – Square wave – Notching – PWM • Harmonics • Modulation • Three-phase inverter DC to AC Converter (Inverter) • DEFINITION: Converts DC to AC power by switching the DC input voltage (or current) in a pre-determined sequence so as to generate AC voltage (or current) output. • TYPICAL APPLICATIONS: – Un-interruptible power supply (UPS)‚ Industrial (induction motor) drives‚ Traction
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AC Circuits. Oscilloscope Arjun Patel Group: 2 Partner: Hirbod B. Partner: Wonyoung J. PHY 114 Section 87725 TA: Hank Lamm November 3rd 2011 Abstract: The main goal of this experiment to Investigate the sine wave AC signal from signal generator using the scope and determine the relationships between the rms value and the amplitude of the voltage as well as the period and the frequency of the signal. The following are the results of the lab: T= 10-3seconds‚ Vo=1.4V ‚ 2% discrepancy
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node m. The currents used in this expression are understood to be the currents that would be measured in the branches attached to the node‚ and their values include a magnitude and an algebraic sign. If the measurement convention is oriented for the case where currents are entering the node‚ then the actual current in a branch has a positive or negative sign‚ depending on whether the current is truly flowing toward the node in question. Kirchhoff’s voltage law (KVL) describes a relationship among
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Principles Case Analysis Pepcid AC Racing to the OTC Market The managers at Johnson & Johnson/Merck Consumer Pharmaceuticals Co. (JJM) have two options regarding their newest over-the-counter (OTC) drug Pepcid AC. The first option would be to pursue both claims of treatment and prevention‚ which would help differentiate their drug from other competitors OTC drugs that are also pending FDA approval. The first option could require up to 9 months of additional studies and investments
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unit with three hours class contact per week over 12 teaching weeks. The total time commitment expected for this unit is 156 hours. In order to meet the faculty’s expectation‚ students should plan to spend on average nine hours in self-directed study‚ in addition to the three hours of class contact‚ each week. | Unit relationships: | Prerequisites: One of AFF2401 or AFW2401 Prohibitions: AFW3841 | Chief examiner: | Dr. Jean-Pierre Fenech | Unit coordinator: | Dr. Jean-Pierre Fenech | Campus:
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Acromioclavicular (AC) joint injury occurs on the top part of the shoulder where the collarbone attaches to the front side of the shoulder. The injury can be caused in different ways such as repetitive use of the shoulder or a fall. AC injuries are common to more men than women aged below 35 years. This is majorly because most of these individuals are much likely to participate in high-risk activities such as sports‚ or even work-related tasks like roofing. AC joint can be handled effectively by
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Adeola Adesokan (D03511372) Case Study 2 ( Spring field express) a). Variable cost per passenger=$70.00 Full fare per passenger=$160.00 Contribution margin = $ 160- $ 70 = $ 90 per passenger Contribution margin ratio = $ 90/$160 = 56.25% Break-even point in passengers = Fixed costs/Contribution Margin = $ 3‚150‚000/$ 90 per passenger = 35‚000 passengers Break-even point in dollars = Fixed Costs/Contribution Margin Ratio= $ 3‚150‚000/0.5625
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