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The given graph in Fig. shows the variat...

The given graph in Fig. shows the variation of charge q versus potential difference for two capacitors `C_(1) and C_(2)`. The two capacitors have same plate sepration, but the plate area of `C_(2)` is double that of `C_(1)`.

Which of the lines in the graph correspond to `C_(1) and C_(2)` and why ?

Text Solution

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As `C = (in_(0) A)/(d)` , and plate area of `C_(1)`, therefore , `C_(2) gt C_(1)`. Now `C = (q)/(V)` , which is greater for line A.
`:.` The line A of the graph corresponds to `C_(2)` and line B corresponds to `C_(1)`.
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