変動電場（横波）の強さが逆1乗則をとるのは観測事実です。

06:47 Jul 18, 2013

This question was closed without grading. Reason: No acceptable answer

Japanese to English translations [PRO]
Science - Physics / Newtonian dynamics

Japanese term or phrase: 変動電場（横波）の強さが逆1乗則をとるのは観測事実です。

I am having trouble parsing this sentence and would like help translating 変動電場.

Any assistance appreciated.

Kurt Hammond KudoZ activity Questions: 139 (none open) (3 closed without grading) Answers: 1122 United States
Local time: 09:47

Summary of answers provided

3 +1

oscillating electric field

John Tysome

Time-dependent electric field

jingzhang45

Answers

17 mins confidence:

peer agreement (net): +1

変動電場 oscillating electric field

Explanation:
The strength of an (oscillating) electric field is inversely proportional to the square of the distance from the source (inverse square law), which is 逆2乗則. I am not sure what 逆1乗則 could be other than a typo?

Also, an electric field is a transverse wave (横波). More info at link below.

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Note added at 26 mins (2013-07-18 07:14:11 GMT)
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I think a better answer could be "time-varying electric field".

Reference: http://physics.bu.edu/~duffy/py106/EMWaves.html

John Tysome
Japan
Local time: 01:47
Specializes in field
Native speaker of:

English

2 days 18 hrs confidence:

Time-dependent electric field

Explanation:
In all the electromagnetics classes I took, my instructors and books often referred to this term as time-dependent electric field much like time-dependent Schodinger's equation. However, I don't understand where transverse wave comes from. My guess is they are trying to say the field strength is sinusoidal but gradually being killed off like under-damped harmonic oscillator.

Reference: http://www-ppd.fnal.gov/EEDOffice-W/Projects/CDMS/25kg/TimeD...

jingzhang45
United States
Local time: 12:47
Specializes in field
Native speaker of:

Chinese,

Japanese

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