what is the relationship between the electric current and resistance?如题

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whatistherelationshipbetweentheelectriccurrentandresistance?如题whatistherelationshipbetweentheelectri

what is the relationship between the electric current and resistance?如题
what is the relationship between the electric current and resistance?
如题

what is the relationship between the electric current and resistance?如题
欧姆定律I=E/R

问电流和电阻之间的关系
只能说电压一定时,电流和电阻成反比

electric current是电流
electric resistance是电阻.
在纯电阻电路中,I=U/R

欧姆定律
I=U/R

纯电阻电路中,I=U/R
而在非纯电阻电路中,上述等式不成立,如有电动机的电路

没有必然的关系

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