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In the experiment to study the dependence of current (I) on the potential difference (V) across a resistor, a student obtained a graph as shown.

(i) What does the graph depict about the dependence of current on the potential difference ?

(ii) Find the current that flows through the resistor when the potential difference across it is 2.5\; V.

 

 

 

 
 
 
 
 

Answers (1)

(i) V\propto I

(ii) V=IR  (R=constant=slope of line)

       V=2.5\; V

        I=0.25\; A

Posted by

Sumit Saini

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