﻿ 交流电速度可能超光速20倍—兼评郑翊等人的论文“电磁场的传播速度” The Speed of Alternating Electricity Can Be 20 Times Faster than the Speed of Light—Comments on “EM Wave Propagation Speed” by Yi Zheng and Others

Modern Physics
Vol.05 No.06(2015), Article ID:16335,8 pages
10.12677/MP.2015.56016

The Speed of Alternating Electricity Can Be 20 Times Faster than the Speed of Light

—Comments on “EM Wave Propagation Speed” by Yi Zheng and Others

Tsao Chang, Kangjia Liao

Department of Nuclear Science and Technology, Fudan University, Shanghai

Received: Oct. 26th, 2015; accepted: Nov. 10th, 2015; published: Nov. 13th, 2015

ABSTRACT

Alternating electromotive force generates alternating electrical potential difference and produces a longitudinal electric field in circuits. An alternating electric field within the metal wire leads the movement of electrons, resulting in a current and electric power. The speed of alternating electricity is not constant, which is associated with the circuit parameters. In most cases, the speed of alternating electricity is less than the speed of light. However, under some specific circuit parameters, the speed of alternating electricity may exceed more than 20 times the speed of light. The voltage equation of RL circuit involves the Ohm’s law. This equation is independent of Maxwell equations. The key in our experiment is: in RL circuits, the time delay of alternating electric field is caused by the wire inductance, which is related to the length of the wire. Our experimental results show that the speed of alternating electricity may be 20 times faster than the speed of light. The speed of light is not the up-limit in universe.

Keywords:Speed of Alternating Electricity, RL Circuit, Longitudinal Electric Field, Time Delay, Faster than the Speed of Light

—兼评郑翊等人的论文“电磁场的传播速度”

1. 引言

(1) 由单根漆包铜线构成回路，单根漆包线的总长度小于10米；

(2) 构成电路回路的线间尺度小于3米，导线间的分布电容可以忽略；

(3) 我们选用交变电信号的工作频率小于3 MHz。工作频率越低，效果越好。仅仅是为了容易在示波器上显示，我们选用交变电信号的工作频率在1~2 MHz。

(4) 电路中采用大电阻，微电流。接收端的电阻为1 MΩ，所以电路的阻抗严重不匹配。

2. 关于实验测量原理以及实验数据

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3. 金属导线内的交变电场信号不是电磁波

Figure 1. The curve of time difference vs frequency

(4)

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4. 交流电速度可能超光速的物理意义

5. 结论

The Speed of Alternating Electricity Can Be 20 Times Faster than the Speed of Light—Comments on “EM Wave Propagation Speed” by Yi Zheng and Others[J]. 现代物理, 2015, 05(06): 125-132. http://dx.doi.org/10.12677/MP.2015.56016

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