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Question
What is the capacitive reactance of a capacitor?
Options
\[X_C=\frac{\omega}{C}\]
\[X_C=\omega C\]
\[X_C=\frac{1}{\omega C}\]
\[X_C=\frac{C}{\omega}\]
MCQ
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Solution
A capacitor offers capacitive reactance \[X_C=\frac{1}{\omega C}\] to an AC source. Reactance increases when capacitance decreases at fixed angular frequency.
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