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Resistors

Any material, which can conduct electricity, has a certain resistance. Resistors are made with definite resistance values to limit the extent of current flowing through it. The current passing through a resistor depends on the voltage applied to the terminals. With the formula “I = V/R”, with “I” representing the current, “R” the resistance and “V” the voltage applied.

The current passing through the resistor will remain the same for a fixed voltage irrespective of whether it is AC or DC. Resistors are very common in all forms of electrical networks. Encapsulated resistors are soldered onto printed circuit boards for use in different circuits, specifically in electronic devices. A resistor can be in the form a wire, strip or film.