Home
Class 12
PHYSICS
The reactance of a capacitor of capacita...

The reactance of a capacitor of capacitance C is X. If both the frequency and capacitance be doubled, then new reactance will be
(a) `X` (b) `2X` (c) `4X` (d) `(X)/(4)`

A

4X

B

`X/2`

C

`X/4`

D

2X

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A capacitor has capacity C and reactance X. If capacitance and frequency become double, then reactance will be

In a pure capacitive circuit if the frequency of ac source is doubled, then its capacitive reactance will be

If each capacitor has capacitance C, then equivalent capacitance between A and B is

Four capacitors are connected as shown . The equivalent capacitance between the points X and Y is

The capacitive reactance in an A.C. circuit is

The figure shows the graphical variation of the reactance of a capacitor with frequency of ac source. (a) find the capacitance of the capacitor (b)an ideal inductor has the same reactance at 100 Hz frequency as the capacitor has the same frequency find the value of the inductor. (c) draw the graph showing the variation of the reactance of this inductor with frequency

Find the equivalent capacitance between A and B. All the capacitors have capacitance C.

Find the equivalent capacitance between A and B. All the capacitors have capacitance C.

The effective capacitances between points A and B is (the capacitance of each of the capacitors is C)

The electrostatic energy stored in a parallel-plate capacitor of capacitance 2muF is 10mJ. If the separation between the plates of the capacitor is 1mm, the elctric field inside the capacitor is 10^(X)N//C . The value of X is_____.