Repair of electrical equipment
Conditions for the existence of electric current. Useful for electrician: electrical engineering and electronics
To begin with, let's answer the question of what is electric current. A simple battery on a table does not generate current by itself...
Application of voltage resonance and current resonance. Useful for electrician: electrical engineering and electronics
In an oscillatory circuit of inductance L, capacitance C, and resistance R, free electrical oscillations tend to damp out. To...
Electromagnetic field - history of discovery and physical properties. Useful for electrician: electrical engineering and electronics
Electrical and magnetic phenomena have been known to mankind since ancient times, after all they have seen lightning...
Electromagnetic waves, electromagnetic radiation, propagation of electromagnetic waves.Useful for electrician: electrical engineering and electronics
In 1864, James Clerk Maxwell predicted the possibility of electromagnetic waves in space. He made this claim based on…
Magnetic field of the current-carrying coil. Useful for Electrical Engineering: Electrical and Electronics Engineering
If an electrostatic field exists in the space around stationary electric charges, then in the space around moving charges (as well as around...
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Why is electric current dangerous?