What is wind and why wind power The wind is the movement of air masses around the earth, and this movement of air masses is influenced by two factors they are solar heating of the earth and earth rotation. Due to the curvature of the earth, there will be large temperature differences on the earth’s …
What is a flow meter and what does it do Flow meters are devices that can be used to measure the amount of liquid, or gas which passes through it. It is an instrument which is used to conduct the flow measurement. The flow rate of liquid and gases must be measured accurately for the …
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What is an electrical diagram Electrical diagrams are drawings which are used to represent electrical circuits, these circuits are represented by using lines, symbols, and number combinations. Electrical diagrams show the wiring between components and the relative position of the components. With the help of the electrical diagram we could get a better understanding of …
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What is memristor Memristor is a two-terminal device that can remember its history, and its resistance is depended upon the magnitude and polarity of the voltage applied to it and the length of the time that the voltage has been applied. So if the voltage is turned off the memristor can remember its most recent …
What is a dielectric Dielectric is a material which has poor electrical conductivity, so it can be considered as an insulator. These materials are used to prevent the flow of electricity through them so they can act as insulators, these materials can also be used to store electric charge or to increase the capacitance and …
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What is an electrical measuring instrument Electrical instruments are instruments that use the mechanical movement of electromagnetic meter to measure voltage, power, current… Electrical technicians require electrical measurement equipment to check the electrical activity and to detect the presence of voltage or current. By using this instrument we can measure electrical parameters such as voltage, …
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What are electrical tools Electrical tools are used to do the electrical work like electrical wiring installations by using this tool we can do the installation of electrical wire properly and quickly. We must be able to choose the right equipment or tools to do the electrical work then only the quality of our work …
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What is a pump A pump is used to transfer liquid from source to destination or circulate liquid around a system, pumps can be classified in three types according to the method that they use to move the fluids they are direct lift, displacement, and gravity pumps. The operation process of the pump is depended …
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An electric tower or a transmission tower is a tall structure, mostly a steel lattice tower which is used to support the overhead power lines. They carry heavy electrical transmission conductors at a proper height from the ground and these transmission lines must be able to withstand strong wind and snow load. In order to …
What is earthing Earthing can be described as transmitting the immediate discharge of electricity with the help of low resistive wires to the ground. It is a connection to the general mass of the earth by the earth electrode. In this process the metallic bodies of all electrical apparatus will be connected to the earth …
