Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Calculate the ratio of capacitance of two capacitor filled with dielectrics of same dimensions but of different values K and K/4 arranged in two ways as shown in figure (i) and (ii).(where, K= relative permittivity of the dielectric material between the plates)

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

5 : 2

b

25 : 16

c

5 : 4

d

2 : 5

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

Here, C1=e0K1A2d+ε0K2A2d=ε0KA2d+ε0KA8d Given: K1=K and K2=k4=ε0KAd12+18=ε0KAd4+18=5ε0KA8d  … (i)and C2=ε0Ad2k1+d2k2=ε0Ad2k+d2k4=(2K)ε0A5d    .....(ii)Dividing eqs. (i) by (ii)C1C2=5ε0kA8d2kε0A5d=5×52×8=2516
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring