Home
Class 12
PHYSICS
Two parallel plate air capacitance of...

Two parallel plate air capacitance of same capacity C are connected in series to a battery of emf E. Then one of the capacitors is completely filled with dielectric material of constant K. The change in the effective capacity of the series combination is

A

`(C)/(2)[(K-1)/(k+1)]`

B

`(C)/(4)[(K-1)/(k+1)]`

C

`(C)/(2)[(K+1)/(k-1)]`

D

`(C)/(2)[(K-1)/(k+1)]^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 59

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

  • NTA JEE MOCK TEST 61

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

Two identical parallel plate air capacitors are connected in series to a battery of emf V. If one of the capacitor is completely filled with dielectric material of constant K, then potential difference of the other capacitor will become

Two parallel plate capacitors of capacitance C each are connected in series with a battery of emf epsilon . Then, one of the capacitors is filled with a dielectric of dielectric constane K. i. Find the change in electric field in the two capacitors, if any ii. What amount of charge flows through the battery? iii Find the change in the energy stored in the circuit, if any.

Two parallel plate capacitors, each of capacitance 40 muF, are connected is series. The space between the plates of one capacitor is filled with a dielectric material of dielectric constant K =4. Find the equivalent capacitacne of the system.

Two parallel plate air filled capacitors each of capacitance C, are joined in series to a battery of emf V. The space between the plates of one of the capacitors is then completely filled up with a uniform dielectric having dielectric constant K. The quantity of charge which flows through the battery is -

Two identical parallel plate capacitors of capacitance C each are connected in series with a battery of emf, E as shown. If one of the capacitors is now filled with a dielectric of dielectric constant k, the amount of charge which will flow through the battery is (neglect internal resistance of the battery)

Two parallel plate air capacitance C , were connected in series to a battery with emf xi . Then one of the capacitors was filled up with uniform dielectric with permittivity epsilon . How many times did the electric field strength in that capacitor decrease ? What amount of charge flows throgh the battery ?

A parallel plate capacitor of capacitance 10 muF is connected across a battery of emf 5 mV. Now, the space between the plates of the capacitors is filled with a deielectric material of dielectric constant K=5. Then, the charge that will flow through the battery till equilibrium is reached is

Two parallel plate air capacitors, each of capacitance C=50 were connected is series ot emf epsi=100V . Then one of the capacitors was filled with a uniforme dielectirc of relative permittivity epsi=5 Compare the before and after the insertion of the dielectric? What amout of charge flows from the battery?

A parallel plate air capacity 'C' farad, potential 'V' volt and energy 'E' joule . When the gap between the plates is completely filled with dielectric

Two identical parallel plate capacitors are placed in series and connected to a constant voltage source of V_0 volt. If one of the capacitors is completely immersed in a liquid with dielectric constant K, the potential difference between the plates of the other capacitor will change to -

NTA MOCK TESTS-NTA JEE MOCK TEST 60-PHYSICS
  1. The figure shows the v - t graph of a particle moving in a straight li...

    Text Solution

    |

  2. A conducting loop in the shape of a right angled isosceles triangle of...

    Text Solution

    |

  3. Two parallel plate air capacitance of same capacity C are connected...

    Text Solution

    |

  4. A, B, C and D are four particles with each of mass M lying on the vert...

    Text Solution

    |

  5. The root-mean-square (rms) speed of oxygen molecules (O(2)) at a certa...

    Text Solution

    |

  6. Carbon monoxide is carried around a closed cyclic processes abc, in wh...

    Text Solution

    |

  7. A ring of the radius R is placed in the y - z plane and it carries a c...

    Text Solution

    |

  8. Two stones are thrown up simultaneously from the edge of a cliff with ...

    Text Solution

    |

  9. In radioactive reaction .(Z)^(A)Xrarr .(Z+1)^(A)X(1)rarr .(Z+2)^(A)X...

    Text Solution

    |

  10. A .^7Li target is bombarded with a proton beam current of 10^-4 A for ...

    Text Solution

    |

  11. A particle performs linear S.H.M. At a particular instant, velocity of...

    Text Solution

    |

  12. A spherical ball of diameter 1 cm and density 5xx10^(3)kg m^(-3) is dr...

    Text Solution

    |

  13. Given that, velocity of light in quartz =1.5xx10^(8)m//s and velocity ...

    Text Solution

    |

  14. A sphere is rotating between two rough inclined walls as shown in figu...

    Text Solution

    |

  15. In optical communication system operating at 1200nm, only 2% of the so...

    Text Solution

    |

  16. A rod of length l is placed along x - axis. One of its ends is at the ...

    Text Solution

    |

  17. Two rigid boxes containing different ideal gases are placed on a table...

    Text Solution

    |

  18. For what value of R, (in ohm) the current in galvanometer is zero?

    Text Solution

    |

  19. A silver of radius 1 cm and work function 4.7 eV is suspended from an ...

    Text Solution

    |

  20. Two particles are simultaneously thrown from the top of two towards as...

    Text Solution

    |