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(B) According to the experimental observations of the photoelectric effect,the photoelectric current $i$ is directly proportional to the intensity $I$

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(B) According to the experimental observations of the photoelectric effect,the photoelectric current $i$ is directly proportional to the intensity $I$ of the incident light,provided the frequency of the incident light is above the threshold frequency.Mathematically,this is expressed as $i \propto I$.This linear relationship,where the current is zero when the intensity is zero,is represented by a straight line passing through the origin.

Which graph represents the relationship between the intensity of incident light on a metal plate and the resulting photoelectric current?

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