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In a series R-C circuit the supply voltage (Vs) is kept constant at \( 2 \mathrm{~V} \) and the frequency \( f \) of the sinusoidal voltage is varied from \( 500 \mathrm{~Hz} \) to \( 2000 \mathrm{~Hz} \). The voltage across the resistance \( \mathrm{R}=1000 \mathrm{ohm} \) is measured each time as \( V_{R} \). For the determination of the \( C \) a student wants to draw a linear graph and try to get \( C \) from the slope. Then she may draw a graph of
(A) f2 against \( V_{R}^{2} \mathrm{R} \)
(B) \( \frac{1}{f^{2}} \) against \( \frac{V_{s}^{2}}{V_{R}^{2}} \)
(C) \( \frac{1}{f^{2}} \) against \( \frac{1}{V_{R}^{2}} \)
(D) f against \( \frac{V_{R}}{\sqrt{V_{s}^{2}-V_{R}^{2}}} \)
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