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Essay on Electricity

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Wye-Delta Transformations

The delta-wye and wye-delta transformation is a useful technique in circuit analysis in transforming a circuit to reduce it to a simpler circuit but of course the resistances will be constant before transformation. The circuit of delta wye is equivalent to each other but the arrangement of the resistances in the circuit will be of different values but theoretically the current and voltage across d...

Resistors in series and parallel

The aim of the experiment was to compare the predicted and actual resistance in the circuit of resistor combinations in series and parallel. The results of this experiment found that the series and parallel resistor laws were reasonably good indicators of the "real world" values of resistance for circuits that contained resistors in series and parallel. One example of this was that the total resis...

Fossil Fuel

3. Manufacturing process. Heavier fractions of petroleum obtained during the processing of petroleum have excellent lubricant purposes and are used as lubricants like motor oil, hydraulic oil, petroleum jelly etc. Petrochemicals are also obtained from different fossil fuels as a source of making plastic and polyster materials. Plastics are used for making bottles, containers, plates, boxes, bags a...

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Electric Generator - An Overview

A Van de Graaff generator is an electrostatic generator which uses a moving belt to accumulate very high voltages on a hollow metal globe on the top of the stand. It was invented by American physicist Robert J. Van de Graaff in 1929. The potential difference achieved in modern Van de Graaff generators can reach 5 megavolts. The Van de Graaff generator can be thought of as a constant-current source...

Experiment AC circuits

Knowledge gained from this lab will allow me to approach circuits much more thoroughly and build conclusions from very little provided information. For instance if I came across an AC circuit that had a 500 Hz frequency and that had a resistor and EITHER a capacitor OR an inductor, I would be able to determine the remaining component from information about the voltage in different places. If the v...

Comparing Electrical Output of Batteries

Since I figured out that energizer lithium has the most output voltage power beetween 3 brands energizer, ace, Duracell, I say we start by not using the unknown brands then throw them to waste and start using energizer lithium. So we can reduce pollution because batteries are increasing our pollution problems so if we start by using only good batteries like energizer lithium we can help solve the ...

Renewable Energy and Storage Systems

Section 3 outlines the energy management strategy followed by the describing of the system effi-ciencies. Section 4 involves the experimental tests on mentioned component which have been modeled in previous section and their validation. Section 5 pre-sents a detailed analysis of experimental results in respect to electrical vehicle efficiency, all these to demonstrate the strategy?s ability to ens...

Smart Equipment Monitoring

4.2 Activity Diagram An activity diagram visually presents a series of actions or flow of control in a system similar to a flowchart or a data flow diagram. Activity diagrams are often used in business process modeling. They can also describe the steps in a use case diagram. Activities modeled can be sequential and concurrent. In both cases an activity diagram will have an initial state and an ea ...

Underground Cable Fault Detector

Murray loop test: It is a bridge circuit used for locating faults in underground or underwater cables. It uses the principle used in the potentiometer experiment. One end of the faulted cable is connected through a pair of resistors to the voltage source. Also a null detector is connected. The other end of the cable is shorted. The bridge is brought to balance by changing the value of RB....

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