Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Capacitor question

2019 · 9 Jan · Shift 2 · Q48
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Capacitor
  5. /2019 · 9 Jan · Shift 2 · Q48

Capacitor question

2019 · 9 Jan · Shift 2 · Q48

JEE MainPhysicsCapacitorMCQ+4 / −1
A parallel plate capacitor with square plates is filled with four dielecytrics of dielectrics constants K1, K2, K3, K4 arranged as shown in the figure. The effective dielectric constant K will be : JEE Main 2019 (Online) 9th January Evening Slot Physics - Capacitor Question 130 English
  1. A
    K=K1K2K1+K2+K3K4K3+K4K = {{{K_1}{K_2}} \over {{K_1} + {K_2}}} + {{{K_3}{K_4}} \over {{K_3} + {K_4}}}K=K1​+K2​K1​K2​​+K3​+K4​K3​K4​​
  2. B
    K=(K1+K2)(K3+K4)2(K1+K2+K3+K4)K = {{\left( {{K_1} + {K_2}} \right)\left( {{K_3} + {K_4}} \right)} \over {2\left( {{K_1} + {K_2} + {K_3} + {K_4}} \right)}}K=2(K1​+K2​+K3​+K4​)(K1​+K2​)(K3​+K4​)​
  3. C
    K=(K1+K2)(K3+K4)K1+K2+K3+K4K = {{\left( {{K_1} + {K_2}} \right)\left( {{K_3} + {K_4}} \right)} \over {{K_1} + {K_2} + {K_3} + {K_4}}}K=K1​+K2​+K3​+K4​(K1​+K2​)(K3​+K4​)​
  4. D
    K=(K1+K4)(K2+K3)2(K1+K2+K3+K4)K = {{\left( {{K_1} + {K_4}} \right)\left( {{K_2} + {K_3}} \right)} \over {2\left( {{K_1} + {K_2} + {K_3} + {K_4}} \right)}}K=2(K1​+K2​+K3​+K4​)(K1​+K4​)(K2​+K3​)​
PreviousNext

More from Capacitor

  • Figure shows charge (q) versus voltage (V) graph for series and parallel combination of two given capacitors. The capacitances are : Includes diagram2019 · MCQ
  • A simple pendulum of length L is placed between the plates of a parallel plate capacitor having electric field E, as shown in figure. Its bob has mass m and charge q. The time period of the pendulum is given by : Includes diagram2019 · MCQ
  • A parallel plate capacitor is of area 6 cm2 and a separation 3 mm. The gap is filled with three dielectric materials of equal thickness (see figure) with dielectric constants K1 = 10, K2 = 12 and K3 = 14. The dielectric constant of a… Includes diagram2019 · MCQ
  • A parallel plate capacitor having capacitance 12 pF is charged by a battery to a potential difference of 10 V between its plates. The charging battery is now disconnected and a porcelain slab of dielectric constant 6.5 is slipped between…2019 · MCQ
  • In the figure shown below, the charge on the left plate of the 10 μ F capacitor is –30 μ C. The charge on the right plate of the 6 μ F capacitor is : Includes diagram2019 · MCQ
  • Seven capacitors, each of capacitance 2 μ F, are to be connected in a configuration to obtain an effective capacitance of (136​)μF. Which of the combinations, shown in figures below, will achieve the…2019 · MCQ
  • Two identical parallel plate capacitors, of capacitance C each, have plates of area A, separated by a distance d. The space between the plates of the two capacitors, is filled with three dielectrics, of equal thickness and dielectric… Includes diagram2019 · MCQ
  • In the given circuit, the charge on 4 μ F capacitor will be : Includes diagram2019 · MCQ