Constrict
发表于 2025-3-21 20:06:12
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magnate
发表于 2025-3-22 00:13:44
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lobster
发表于 2025-3-22 02:55:12
Normen auf dem Gebiete der Wasserversorgunglectric and magnetic fields are vector quantities. The characteristics of these fields are analysed by a set of laws known as Maxwell’s equations. The basic knowledge of vectors is important to formulate Maxwell’s equations and to apply in the practical field. Vector addition, subtraction, multiplic
DRILL
发表于 2025-3-22 05:03:07
Die Bauarten der Wasserkraftanlagend orthogonal coordinate systems were discussed in detail. In a static electric field, the electric charges are always at rest and the electric field does not change with time, i.e., its magnitude is constant. The electric field due to time-invariant charges at rest is called the static electric fiel
CHOP
发表于 2025-3-22 11:19:18
Handbuch des Wissenschaftsrechtson or electrostatic potential should be known to apply those laws. There are many practical problems where the charge distribution is not known for every place. There is some complex geometry in high voltage engineering equipment, namely insulators, bushing, surge arrestors, etc. In that case, it is
忘恩负义的人
发表于 2025-3-22 15:06:06
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忘恩负义的人
发表于 2025-3-22 19:19:06
Einteilung und Aufbau von Waagen,nts, whereas electric fields originate from charges and exert forces on charges. There are many applications of magnetic fields. These applications include motors, transformers, microphones, telephone bell ringers, memory stores, magnetic contactors, magnetically levitated (Maglev) high speed vehicl
缩减了
发表于 2025-3-22 21:38:25
,Fragen der Meßbeständigkeit von Waagen,, the time-varying electric and magnetic fields are dependent on each other. In other words, a time-varying electric field is produced by a time-varying magnetic field and a time-varying magnetic field is produced by a time-varying electric field. The first concept was experimentally introduced by M
皮萨
发表于 2025-3-23 04:38:13
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Critical
发表于 2025-3-23 06:20:08
R. Zelle,R. Korn,K. Gordan,W. Lehmannn. The electric and magnetic fields are orthogonal to the direction of propagation. In terms of energy, the wave phenomenon is defined as the exchange of two different forms of energy. It is meant that the time rate of change of one form triggers the other to a spatial change. Waves do not have mass