늈ȵĽ̰OӋ

rg2021-07-04 12:55:38 ̰

늈ȵĽ̰OӋ

һ늈

늈ȵĽ̰OӋ

(1)늺֮g໥ͨ^ʽ|늈l늺ɵ܇늈.

(2)|늈ܵ

늈еκΎwܵ늈ͬһc늺늈вͬc̎ܵ늈ĴС򶼿ܲһ.

늈ʹеČwao늸БF.

ۮw늈Ƅӕr늈w@ʾ늈.

늈(E)

ٶx늈ijһc늺ܵ늈F늺qıֵԓc늈ȣQ.Eʾ

ʽE=F/q(m늈)

λN/C

ڷԣWҎ늈ijcĈ늺ԓcܵ늈ķͬ.

늈ijһc̎늈EΨһĴСͷcԓc늺qoPQ늈Դ늺ɼgλ늈ÿһc늈cǷ늺ɟoP.

+Q   P    r

c늺܇늈늈ȵįB

(1)c늺܇늈

ٴE=kQ/r2(ֻmc늺ɵ늈)

ڷ늺ɣEķQPBxQ;ؓ늺ɣEķPQBָQ.

(2)늈ȵįBԭijcĈԓc܇늺ɆΪڕrԓcaĈʸ.

Cһ돽Rľw()ⲿa늈cһλĵ늺ȵc늺ɮa늈ͬc늈ȞE=kQ/r2

늈

(1)늈늈Ǯ늈еһllзÿcоʾԓc늈ȵķ

(2)늈'|

늈ÿcоԓc늈ȵķ.

늈ܷӳ늈ȵĴС(܏).

o늈늈ʼ늺ɻoFhֹؓ늺ɻoFh]Ҳڟo늺̎Д

ɗl늈ڟo늺ཻ̎()

Nc늺늈ķֲr

늈

(1)x늈иcĴСͬ늈ͽЄ늈.

(2)늈늈һM̶ܳͬ(g)ƽֱ.ɵȴҎN늺ɵƽнٰg늈߅⣬DŽ늈.Ҋ늈늈

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