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Almost all of the electrical conductors are made of metal or metal. But there is no material that can be a pure conductor. But some metals conduct electricity better than others. Silver, copper, and aluminum is a good conductor. Iron, steel, and coal can also conduct electricity, but the resistance is very high. Charcoal (carbon) is often used in electrical ...

Kirchoff application of the law on the completion of the networks that have many branches in parallel, will encounter many equations that must be solved at once so often make it difficult solution. Application of the theory of transformation of the triangle of stars or vice versa can overcome the above problems. Such a complex network can be simplified by ...

Electrical insulating material can be divided into several classes based on the maximum working temperature, which is as follows: Class Y, the maximum working temperature of 90° C. Included in this class is a fibrous material organic (such as cotton, natural silk, synthetic wool, rayon fiber polyamide, paper, prespan, wood, polyacrylate, polyethylene, polyvinyl, rubber, and so on) that are not ...

Most of the film resistors of the type of metal layer has a nominal value of a typical power dissipation of 250mW sebasar up to a nominal value of 2W. In the resistor wire windings are made by wrapping the resistance wire in an insulating material. Resistance of materials commonly used is chromium-nickel (nichrome), the compounds of nickel (Eureka), and ...

Resistor serves to inhibit current and dividing voltage, nominal resistance value and tolerance shown by the tape of a resistor color code on the resistor body. The first color and the second is the value of the unit, and tens, the third color indicates the number zero and the fourth color is tolerance. Example: A resistor has the color in ...

If the resistor, it only has a resistance value of the inductor she has a resistance value (R) and the value of inductance (L). Where the magnitude of the inductance value depends on the number of windings (N), the windings cross-sectional area (A) and the long axis of the windings (l). Mathematical relation can be written as follows: μo is ...