(b) a potential difference v is applied across a conductor of length l and diameter d. how is uhe resistance r of the conductor affected, when in turn () v is halfed (i) l is halved and (ii) d is doubled? justify your answer in cach case.

There is no graph to look at on here, but i shall explain them to you. a line graph is just in its title it’s a graph with a line running through the dots to show an increase or decrease. a bar graph is used to show how much or how little something is so a comparison. a scatter plot is used to graph points to tell the data. and i don’t know what a histogram is.

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490 n  f=125n a=2.5m/s2