Each battery, depending on its type, has certain passport values: nominal voltage, maximum current, optimal current, nominal capacity. Have a...

There are many types of tasks for calculating magnetic fields. In addition to the tasks of determining the inductance of circuits operating...

Physical quantities can be defined in two ways: some - only by numerical value, and others - both by...

Particles and fields are two types of matter. A characteristic feature of the interaction of particles is that it takes place not at...