Home
Class 12
PHYSICS
The natural frequency of an LC- circuit ...

The natural frequency of an `LC`- circuit is 1,25,000 cycles per second. Then the capacitor `C` is replaced by another capacitor with a dielectric medium of dielectric constant k. In this case, the frequency decreases by 25 kHz. The value of k is

A

3.05

B

2.18

C

1.56

D

1.74

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • JEE MOCK TEST 4

    NTA MOCK TESTS|Exercise PHYSICS - SUBJECTIVE NUMERICAL|5 Videos

  • JEE MOCK TEST 3

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

  • JEE MOCK TEST 5

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

The natural frequency of an LC circuit is 125kHz . When the capacitor is totally filled with a dielectric material, the natural frequency decreases by 25kHz . Dielectric constant of the material is nearly.

If the gap between the plates of a parallel plate capacitor is filled with medium of dielectric constant k=2 , then the field between them

If C and C_(0) are capacities of a capacitor with and " without dielectric medium respectively then dielectric constant of medium K is

The capacitance of a capacitor, filled with two dielectrics of same dimensions but of dielectric constants K_1 and K_2 respectively as shown will be -

A parallel plate capacitor has a capacity c. If a medium of dielectric constant K is introduced between plates, the capacity of capacitor becomes

A capacitor of capacitance C is charged to potential difference V and then disconnected from the battery. The air dielectric of capacitor is replaced by another dielectric of dielectric constant K. The fractional decrease in energy of the capacitor is