百度试题 题目电场强度是矢量,其单位是___The intensity of the electric field is a vector, and the unit is___ A.VB.V/mC.V·mD.A/m相关知识点: 试题来源: 解析 B 反馈 收藏
更多“电场强度是矢量,其单位是___ The intensity of the electric field is a vector, and the unit is___”相关的问题 第1题 The shock of the electric catfish is more unpleasant than that of the torpedo or electric eel. A.Y B.N C.NG 点击查看答案 第2题 Compared with the fan on ol...
An electric field is a vector quantity and can be visualized as arrows going toward or away from charges. The lines are defined as pointingradially outward, away from a positive charge, orradially inward, toward a negative charge. This phenomenon is the result of a property of matter called ...
What is the direction of the electric field vector in a positive charge? What is the direction of the electric field at a point directly to the left of a positive charge q? A positive charge and a negative charge of the same magnitude lie along a long straight line, with the ...
FAQ: What is the electric field at this point? What is the electric field at this point? The electric field at a given point is a measure of the strength and direction of the electric force that would be experienced by a charged particle at that point. It is represented by a vector, ...
Regarding to the electric field, which statement as follows is wrong? A、Around the charge, there is a special form of material called the electric field. B、The electric field is an aspect of the unified electromagnetic field, which is characterized by the vector force exerted on the charge...
1 Which is a vector quantity?(1) electric charge(2) electric field strength(3) electric potential difference(4) electric resistance5 A machine launches a tennis ball at an angle of25° above the horizontal at a speed of 14 metersper second.The ball returns to level ground.Which combination...
To measure the field strength, a test charge positioned at one of the vector points within the electric field of the source object is needed. This test charge should have a smallpositive chargethat does not interfere with the source charge. The test charge makes it possible to measure the el...
is the mass density of the material being measured. The density is measured in kg/m^3 [kilograms per meter cubed] or grams/cm^3.E(r)is the electric field as a functin of position, whereris a position vector. Finally,Vis the volume over which the SAR is measured. ...
PROBLEM TO BE SOLVED: To provide a calculation method for electric field vector capable of grasping the intensity, direction, and phase of an electric field in a scanning surface in an electronic device, and provide its device, program, and recording medium which records the program.風間 智...