Question

Plot the graph showing variation of coulomb force 'F' with separation distance 'r' between 1) like charges, 2) unlike charges.

Answer 1

where r is the distance between the two charges of each pair of charge (1 μC,2 μC) and (1 μC,−3 μC). Interpret to that graphs obtained.

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ANSWER

According to Columb's force ,

Here Q₁ and Q₂ are the charge separated in r distance .

hence,

forces act between 1μC and 2μC ,

Similarly,

force act between 2μC and −3μC ,

Hence, graph between F and

r

2

1

,

will be straight line where line B has higher slope than line A as shown in figure above

solution