loop prominencesdispersion equationcylinder plasmamass motiongravityBy use of the dispersion equation given by Song, Wu, and Dryer (1987) for a cylinder plasma with mass motion and gravity included, we investigate the linear current instabilities developed in loop prominences. The results indicate ...
网络回路电两程;回路电流方程 网络释义
11.4.2 Field at Center of Circular Current LoopCircular current loops are an important and commonly encountered geometry. Consider a loop of radius a in the yz-plane, centered at the origin, with its normal along xˆ, which we take to be out of the page. Let the observer be at the ...
By eliminating the mutual flux leakage in the transformerloop equation,a two-terminal network only containing the winding resistance and the leakage inductance is generated. 该原理通过消去变压器回路方程中直接体现主磁通的非线性项,构造了仅含漏电感和绕组电阻的二端网络。
The regulator and reference voltages power a sensor, such as a bridge as shown in Figure 7-1. The sensor output, as a current signal IIN, is gained up and transmitted over the loop to be read by a receiver. EXTERNAL SENSOR + – VREF VREG XTR11x V+ B IIN Q1 E IRET IO // C1 ...
The following equation can be used to estimate the input resistance of the current amplifier in Figure 2.30: (2.47)RIN=R2(RX+RL)RX(1+AV)+RL where RX is the resistance of R1 and R2 in parallel (i.e., R1R2/(R1 + R2)) and AV is the open-loop gain of the op amp at a ...
The mathematical equation that describes this relationship is: I = V/R where I is the current in amperes, V is the potential difference between two points of interest in volts, and R is a circuit parameter, measured in ohms (which is equivalent to volts per ampere), called the resistance...
A wave-like equation describing coupling currents in a flat multi-strand two-layer superconducting cable has been solved to find slowly decaying non-uniform current loops. The maximum time constant of the loop decay is evaluated analytically. Relation between the uniform and non-uniform time ...
The equation above shows that if there is a magnetic field inside the bounding surface, then any flux (or field line) going out of the surface has to be balanced by flux (and field lines) coming in. Mathematically, magnetic field lines have to be closed curves in space. In contrast to...
This capacitor generates one more zero around the desired crossover frequency, and forms one very-high-frequency pole in the system which is normally ignorable. Roea and Coea are the equivalent output resistance and output capacitance respectively for the gm error amplifier. The equation for Roea...