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Capacitor question

2019 · 9 Jan · Shift 1 · Q48
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  5. /2019 · 9 Jan · Shift 1 · Q48

Capacitor question

2019 · 9 Jan · Shift 1 · Q48

JEE MainPhysicsCapacitorMCQ+4 / −1
A parallel plate capacitor is made of two square plates of side 'a', separated by a distance d (d < < a). The lower triangular portion is filled with a dielectric of dielectric constant K, as shown in the figure. Capacitance of this capacitor is : JEE Main 2019 (Online) 9th January Morning Slot Physics - Capacitor Question 131 English
  1. A
    K∈0a22d(K+1){{K{ \in _0}{a^2}} \over {2d(K + 1)}}2d(K+1)K∈0​a2​
  2. B
    K∈0a2d(K−1)ln⁡K{{K{ \in _0}{a^2}} \over {d(K - 1)}}\ln Kd(K−1)K∈0​a2​lnK
  3. C
    K∈0a2dln⁡K{{K{ \in _0}{a^2}} \over d}\ln KdK∈0​a2​lnK
  4. D
    12K∈0a2d{1 \over 2}{{K{ \in _0}{a^2}} \over d}21​dK∈0​a2​
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