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Engineering Materials

Ionic Polarization

Ionic Polarization Before understanding what ionic polarization let is us observe how a sodium chloride (NaCl) molecule is formed. Sodium chloride (NaCl) molecule is formed by ionic bond between sodium and chlorine atoms. The sodium atom gives up one electron to get eight electrons in its outer most

By Electrical4u 03/15, 2024
Engineering Materials

Mechanism of Polarization

First of all we have to know the definition of polarization before entering into mechanism. Polarization is actually the alignment of the dipole moments of the fixed or induced dipole in the direction of the peripheral electric field . The mechanism of polarization deals with how a molecule or atom

By Electrical4u 03/15, 2024
Engineering Materials

Dielectric Materials: Definition, Properties and Applications

A dielectric material is defined as an electrical insulator that can be polarized by an applied electric field . This means that when a dielectric material is placed in an electric field, it does not allow electric charges to flow through it, but instead, it aligns its internal electric dipoles (pai

By Electrical4u 03/15, 2024
Engineering Materials

Rheostats: Materials, Construction and Applications

A rheostat is a type of variable resistor that can adjust the current or voltage in an electric circuit . Rheostats are often used as power control devices, such as controlling the speed of an electric motor, the brightness of a light, or the temperature of an electric oven. Rheostats are also used

By Electrical4u 03/15, 2024
Engineering Materials

Heating Element Materials: Types, Properties and Applications

A heating element is a device that converts electrical energy into heat through the process of Joule heating . When an electric current passes through a resistance , it produces heat. Heating elements are used in various heating equipment or appliances, such as electric furnaces, electric ovens, ele

By Electrical4u 03/15, 2024
Engineering Materials

Bulb Filament Material: What You Need to Know

A bulb filament is a thin wire that glows when an electric current passes through it. It is the main component of an incandescent light bulb, which produces light by heating the filament to a high temperature. The filament material must have certain properties to withstand the heat and produce a bri

By Electrical4u 03/15, 2024
Engineering Materials

Selection of Materials Used for Electrical Contacts

Materials used for Electrical Contacts , play an important role in the performance of electrical machines and equipment. Hence, it becomes quite important to select a suitable material for electrical contacts. The successful operation of electrical contacts for a specific application, is a function

By Electrical4u 03/15, 2024
Engineering Materials

Applications of Carbon Materials in Electrical Engineering

Carbon, in various forms and in combination of other materials, is widely used in electrical engineering. Electrical carbon materials are manufactured from graphite and other forms of carbon. Carbon is having following applications in Electrical Engineering – For making filament of incandescent lamp

By Electrical4u 03/15, 2024
Engineering Materials

Electrical Stranded Conductors

Stranded conductors are very much popular in electrical power system for transmission and distribution line. A stranded conductor is consists of several thin wires of small cross sectional area called strands as shown in figure below- As shown in figure above, at the center of stranded conductor, we

By Electrical4u 03/15, 2024
Engineering Materials

Materials Used for Transmission Line Conductor

Transmission line is an important part of power system. The cost and life of transmission line primarily depend on the material used for making conductor for transmission line. The most important and much suitable material for conductor of transmission line is copper as it having high conductivity a

By Electrical4u 03/15, 2024
Engineering Materials

High Resistivity or Low Conductivity Conducting Material

Materials having high resistivity or low conductivity are very useful for some electrical engineering products and applications. These material are used to manufacture the filaments for incandescent lamp , heating elements for electric heaters and furnaces, space heaters and electric irons etc. Requ

By Electrical4u 03/15, 2024
Engineering Materials

Classification of Electrical Conducting Materials

Electrical conducting material are the basic requirement for electrical engineering products. The electrical conducting material can be classified as below- Based on Resistivity or Conductivity Low resistivity or high conductivity conducting material High resistivity or Low conductivity conducting m

By Electrical4u 03/15, 2024

Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

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Ionic Polarization

Mechanism of Polarization

Dielectric Materials: Definition, Properties and Applications

Rheostats: Materials, Construction and Applications

Heating Element Materials: Types, Properties and Applications

Bulb Filament Material: What You Need to Know

Selection of Materials Used for Electrical Contacts

Applications of Carbon Materials in Electrical Engineering

Electrical Stranded Conductors

Materials Used for Transmission Line Conductor

High Resistivity or Low Conductivity Conducting Material

Classification of Electrical Conducting Materials

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