Alternating current bridges….it’s applications and various perspectives revealed….. ALTERNATING CURRENT BRIDGES:- INTRODUCTION:- A bridge circuit is a type of electrical circuit in which two circuit branches (usually in parallel with each other) are "bridged" by a third branch connected between the first two branches at some intermediate point along them. The bridge was originally developed for laboratory measurement purposes and one of the intermediate bridging points is often adjustable when
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consists of resistance R in parallel with a capacitor of reactance X. The load is fed from a single-phase supply through a line of impedance 8.4 + j11.2 . The rms voltage at the load terminal is 12000o Vrms‚ and the load is taking 30 kVA at 0.8 power factor leading. a. Find the values of R and X b. Determine the supply voltage V Figure 1 5. Two impedances‚ Z1 = 0.8 + j5.6 and Z2 = 8 - j16‚ and a single-phase motor are connected in parallel across a 200-Vrms‚ 60-Hz supply as shown
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partial fulfillment of requirements for the degree of Bachelor of Technology In Electrical Engineering Guided by Prof. VINEET MEHTA Name of the student: BHOMARAM BHISNOI (10EJIEEOO6) JAGDEV(10EJIEE022) DEPARTMENT OF ELECTRICAL ENGG. JIET JODHPUR(MOGRA) 2013 CERTIFICATE
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M19 Lab: Reactance and Impedance Roger Argo ECEN 150 Introduction: Purpose: 1. Practice calculating reactance and impedance. 2. Observe the phase shift between voltage and current caused by reactance and impedance. 3. Learn how to make AC voltage phase shift measurements with an oscilloscope. 4. Become more familiar with laboratory instruments and reading instrument operating manuals. Equipment / Materials 1. 0.1 UF Capacitor 2. 1 Kilo ohm Resistor 3. Oscilloscope 4. Generator
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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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------------------------------------------------- Electric generator In electricity generation‚ an electric generator is a device that converts mechanical energy to electrical energy. A generator forces electric charge (usually carried by electrons) to flow through an external electrical circuit. It is analogous to a water pump‚ which causes water to flow (but does not create water). The source of mechanical energy may be a reciprocating or turbine steam engine‚ water falling
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In this lab‚ we were given an LED nightlight circuit. Upon first glance we noticed all the components‚ the zener diode‚ 3 resistors‚ a capacitor‚ 4 diodes‚ a photocell‚ an LED light‚ and something we thought was a transistor. We knew the first thing to do was to identify all of the components and find out the rating for them. We had to use the microscope to determine the identifying numbers on the zener diode‚ the capacitor‚ and the‚ assumed‚ transistor. The zener diode read 1N5242B‚ the capacitor
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the understanding of electrical circuits‚ spectroscopy‚ and the emission of black-body radiation. Kirchhoff formulated his famous circuit laws in 1845‚ while still a student at the University of Konigsberg‚ East Prussia. He completed this study as a seminar exercise‚ and it later became his doctoral dissertation. Kirchhoff’s Laws include two basic principles. Kirchhoff’s First Law‚ also called Kirchhoff’s Current Law (KCL)‚ states that at any node (junction) in an electrical circuit‚ the sum of
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Assessment Evidence: Unit Grading Criteria U2 The grading criteria that this assignment relates to: P6 Describe how electricity can be produced P7 Describe how electrical energy is transferred to the home or Industry P8 Describe the use of measuring instruments to check values predicted by Ohm’s law in given electrical circuits M4 Compare the efficiency of electricity generated from different sources D4 Assess how to minimise energy losses when transmitting electricity and when converting
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supply. By this experiment we learned how to use the electrical instruments‚ simple circuit elements and we studied Ohm’s law. Theory In electrical circuits‚ we are concerned with the flow of electrical current around closed loops made up of wires‚ meters and other components. For this unit we measured and calculated electrical quantities such as direct current‚ voltage and resistance. Current Electrical current is the rate at which electrical charge flows around a circuit. It is measured in
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