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The magnetic field generated by the electric current, around a straight wire, is related to the electric current and the distance “r” from the ... more

The voltage of one of the two nearby coupled inductors

Generated at the center of a circular wire by the electric current, related to the electric current and the distance from the wire to center of the circle.

In 1957 John Philip introduced the term sorptivity and defined it as a measure of the capacity of the medium to absorb or desorb liquid by capillarity.
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Surface runoff is the water flow that occurs when the soil is infiltrated to full capacity and excess water from rain. The runoff curve number (also called ... more

The constant K_v (motor velocity constant, or the back EMF constant) is a value used to describe characteristics of electrical ... more

Self-inductance is the voltage produced by the changing of the electric current through a circuit that contains inductance, which opposes the change in ... more

Mutual inductance is the voltage produced by the changing of the electric current through a circuit that contains inductance, which opposes the change in ... more

The current gain can be calculated using current instead of power using Joule’s first law to calculate. In many cases, the input and output ... more

Alternating current voltage can be described mathematically as a function of time, angular frequency and peak voltage