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A capacitor is made of a flat plate of area A and a second plate having a stair like structure as shown in figure. The width of each stair is a & the height is b . FIND THE CAPACITANCE OF THE ASSEMBLY.

sonal gupta
5 Points
10 years ago

the given arrangement of the flat plate and staircaselike structure is equivalent to the parallel combinatio of 3 cap.c1 c2 c3. the plate area of each of the 3 cap. is a/3 ,while the seperation between the plate of 3 cap. is d 2d 3d soooooooo answer will be

C =11 upsilon A/18d

Tanya
11 Points
3 years ago
​ε○A/3d +. ε○A/3(b+d) +  ε○A/3(2b+d)
Solve it further by taking  ε○A/3 common from the given equation the final answer u got is ε○A(3d2+6bd+2b2)/3d(b+d)(2b+d)