Sähkösuureudet

Sähkösuureudet are fundamental physical quantities used to describe electrical phenomena. They provide a standardized way to measure and understand how electricity behaves in circuits and systems. The most basic electrical quantity is electric charge, measured in coulombs (C). Electric charge is the property of matter that causes it to experience a force when placed in an electromagnetic field.

Another key sähkösuure on electric current, quantified in amperes (A). Electric current represents the rate of flow of electric charge. It is essentially the movement of electrons or other charged particles through a conductor. Voltage, or electric potential difference, is measured in volts (V). Voltage is the electrical potential energy difference between two points, driving the flow of electric current.

Resistance, measured in ohms (Ω), describes an object's opposition to the flow of electric current. Materials with high resistance impede current flow, while those with low resistance allow it to pass more easily. Power, expressed in watts (W), is the rate at which electrical energy is transferred or converted. It is the product of voltage and current. Capacitance, measured in farads (F), relates to a component's ability to store electrical energy in an electric field, while inductance, measured in henries (H), describes a component's ability to store energy in a magnetic field. These sähkösuureudet are essential for designing, analyzing, and understanding electrical and electronic circuits.