a piece of wire of resistance R is cut into five equal parts these parts are then connected in parallel if the equivalent resistance of the combination is R1 then the the ratio R/R1 7 is
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a piece of wire of resistance R is cut into five equal parts these parts are then connected in parallel if the equivalent resistance of the combination is R1 then the the ratio R/R1 7 is
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Explanation:
Resistance of each part will be R/5.
Equivalent resistance will be
1/R' = 5/R + 5/R + 5/R + 5/R + 5/R
So, R'=R/25
R'/R=1/25