(B) The capacitive reactance of a capacitor is given by the formula: ${X_C} = \frac{1}{{2\pi \nu C}}$.From this relation,it is clear that ${X_C} \prop

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(B) The capacitive reactance of a capacitor is given by the formula: ${X_C} = \frac{1}{{2\pi \nu C}}$.From this relation,it is clear that ${X_C} \propto \frac{1}{\nu }$.As the frequency $\nu$ increases,the capacitive reactance ${X_C}$ decreases.Therefore,for high frequency,a capacitor offers less reactance.

Class 12 Physics Alternating Current Only Inductor, Only Capacitor and Only Resistor Circuit

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For high frequency,a capacitor offers

A
More reactance
B
Less reactance
C
Zero reactance
D
Infinite reactance

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Class 12 Questions

Class 12

Physics Questions

Chapter

Alternating Current

Subtopic

Only Inductor, Only Capacitor and Only Resistor Circuit

An $A.C.$ source is connected across a pure inductor. Which one of the following figures shows the correct phase relation between the current and $e.m.f.$?

EasyMHT CET 2025

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In which circuit is the average power consumed maximum?

Medium

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Which of the following curves correctly represents the variation of capacitive reactance $X_C$ with frequency $f$?

Medium

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An inductance of $1 \ H$ is connected in series with an $AC$ source of $220 \ V$ and $50 \ Hz$. The inductive reactance (in ohm) is: (in $\pi$)

MediumAP EAMCET 2005

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The voltage across a pure inductor is represented by the following diagram. Which one of the following diagrams will represent the current?

Medium

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For high frequency,a capacitor offers

Similar Questions

An $A.C.$ source is connected across a pure inductor. Which one of the following figures shows the correct phase relation between the current and $e.m.f.$?

In which circuit is the average power consumed maximum?

Which of the following curves correctly represents the variation of capacitive reactance $X_C$ with frequency $f$?

An inductance of $1 \ H$ is connected in series with an $AC$ source of $220 \ V$ and $50 \ Hz$. The inductive reactance (in ohm) is: (in $\pi$)

The voltage across a pure inductor is represented by the following diagram. Which one of the following diagrams will represent the current?

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