what will be the effect of change in the length and thickness of the electrical wire in the experiment of electric current, potential difference and electric resistance?
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Explanation:
v = IR ; R = pL/A
therefore ,
the change in length L is directly proportional to the change in voltage (v and resistance R) and inversely proportional to the change in (Resistance R).
whereas ,
the change in thickness (area) is inversely proportional to the change in voltage (v and resistance R) and directly proportional to the change in (Resistance R).
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