Knowledge base
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The concept of electric potential is one of the important foundations of the theory of electrostatics and electrodynamics. Understanding its essence is a necessary condition for further...
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What is dielectric constant, definition, formulas, units of measurement. Dielectric constant of various substances. Dielectric constant and capacitance of the capacitor.
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Why do you need rosin when soldering? The main properties and types of rosin. What is rosin made from? Is rosin harmful?
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What is the piezoelectric effect. Substances with a piezoelectric effect. Properties and characteristics of substances with a piezoelectric effect. The use of the piezoelectric effect.
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To check the condition of a car battery, it is not necessary to have professional equipment, industrial stands, etc. Everything necessary and sufficient for the car owner ...
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How electric current is generated. Current direction.Conditions for maintaining electric current in the circuit: free charge carriers, electric field, external force for ...
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What is inductance: definition, units, formulas. The phenomenon of self-induction. Series and parallel connection of inductors. The quality factor of the inductor. Designs of inductors.
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Definition of electrical capacity, units of measurement and formulas. Calculation of the electrical capacitance of capacitors. The use of capacitors, their types and designs.
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What is PWM Pulse Width Modulation. The principle of operation of PWM. Characteristics of the PWM signal. What is the difference between PWM and SIR. Where is PWM used...
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Interaction of immobile point charges in vacuum. The coefficient of proportionality k and the electrical constant in the formula of Coulomb's law. Definition of Coulomb's law. Direction...
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What is the Lorentz force - definition, when it occurs, formula, units of measurement. Finding the direction of the Lorentz force using the Left Hand Rule....
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Determining the direction of the vector of magnetic induction lines using the gimlet rule and the right hand rule. Simple and understandable explanation. What...
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Description of electrical professions, their duties and detailed description.What is the work of an electrician and an electrician, the pros and cons ...
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What substances are called dielectrics, properties and characteristics of conductors and dielectric materials. Varieties and classification of dielectrics. Where are dielectrics used?
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The history of electricity. What is electricity, who invented it and in what year? How is electricity generated and where does the current come from?