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  4. Which of the following curves shows correct variation of capacitive reactance XC with frequency v ?

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Q. Which of the following curves shows correct variation of capacitive reactance $X_C$ with frequency $v$ ?

MHT CETMHT CET 2021

Solution:

We know that, capacitive reactance,
$X_C=\frac{1}{\omega C}=\frac{1}{2 \pi v C} $
$\Rightarrow X_C \propto \frac{1}{v}$
Hence, graph shown in option (d) represents correct variation of $X_C$ with $v$