Knowledge Base

Rows of resistors, capacitors, inductance ratings

Oct 28, 2021

Have you ever wondered why there are 1.2 kΩ resistors, but not, for example, 1.25 kΩ? The thing is that the nominal values of radio components ar...

How to determine the capacitance of a capacitor with a multimeter

Oct 28, 2021

Sometimes a capacitor is not labeled. How to find out then its real capacity, if there is no special equipment at hand, and the device is unmarked?...

How to tin wires - an easy way to tin

Oct 28, 2021

We have already told you about how to solder wires at home, where they stopped a little at such a stage of soldering as tinning of bare copper vein...

How to check a resistor for operation with a multimeter

Oct 28, 2021

A resistor or constant resistance is both the simplest and most common element in electrical circuits; it is installed in all devices. But, despite...

How to remove radio components from the board - an overview of techniques

Oct 28, 2021

When a piece of hardware fails, you don't have to throw it in the trash right away. If you are fond of electronics and radio engineering, it would ...

Electric charge conservation law: formula and definition

Oct 28, 2021

Electric charge is the ability of bodies to be a source of electromagnetic fields. This is what the encyclopedic definition of an important electri...

Ampere's Law: Definition, Formula, Simple Explanation

Oct 28, 2021

Electricity is a rather complex branch of physics, it is full of various laws and phenomena that accompany the flow of current in a conductor. For ...

Joule-Lenz law: formula, application in practice, conclusion

Oct 28, 2021

In 1841 and 1842, independently of each other, English and Russian physicists established the dependence of the amount of heat on the flow of curre...

Coulomb's law: formula, definition, application in practice

Oct 28, 2021

In electrostatics, one of the fundamental is Coulomb's law. It is used in physics to determine the force of interaction between two stationary poin...

Ohm's law for a section of a chain and a complete chain: formulas and explanation

Oct 28, 2021

For an electrician and electronics engineer, one of the basic laws is Ohm's Law. Every day the work sets new tasks for the specialist, and often it...