circuitfundamentalloadbatterycomponentswitchilluminatenegative [ˈsɜːkɪt][ˌfʌndəˈmentl][ləʊd][ˈbætəri][kəmˈpəʊnənt][swɪtʃ][ɪˈluːmɪneɪt][ˈneɡətɪv]positive [ˈpɒzətɪv]n.电路；一圈，周游，巡回adj....
PURPOSE:To prevent the occurrence of electrodialysis at an electrode when the resistance of an electrolyte is measured by composing a circuit of an oscillation circuit, two positive and negative power sources, and plural switching which are driven by the oscillation circuit and connected to the ...
n.转变,改变信仰,换位convert:[kən’və:t]v.使转变converter转换器energyconversiondevice•constant[‘kɔnstənt]a.经常的,不变的.常数,恒量aconstantterminalvoltage不变的端电压•positive[‘pɔzitiv]a.正面的,正数的,阳性的的positivecharge,positivedirectionofvoltage,positiveterminal•negative...
In a battery, for instance, a negative pole has a lot of electrons, and a positive pole has few. When you connect the two poles through the circuitry of a device like a flashlight, the electrons have a path they can use to flow from the negative to the positive pole to cor...
aOne of the most fundamental concepts in electric circuit analysis is that of charge conservation.We know from basic physics that there are two types of charge:positive (corresponding to a proton),and negative (corresponding to electron).For the most part,this test is concerned with circuits in...
aElectric current is the drift of electrons from an area of negative charge to an area of positive charge. Current is measured in Amperes (A). As previously mentioned the current in a circuit is directly related to voltage and inversely related to the resistance. 电流是电子漂泊从负电荷范围到...
positive charges repel each other, the electric field around an isolated positive charge is oriented radially outward. When they are represented by lines of force, orfield lines, electric fields are depicted as starting on positive charges andterminatingon negative charges. A line tangent to a ...
a.the work required to transfer a unit positive electric charge from an infinite distance to a given point against an electric field b.the potential difference between the point and some other reference point. Symbol:VorφSometimes shortened to:potential ...
This means that at regular time intervals, the value of the current changes between positive and negative, and the charges will go from flowing in one direction around the circuit to flowing in the opposite direction. A chemical battery, like the one shown in the image below, is an object...
Label the side of a resistor on which the current enters as positive (+) and the side on which the current exits as negative (−). It can be difficult to determine in which direction the current actually flows. If the direction is not correct, the current will be negative in that ...