A spherical capacitor is made of two spherical conductors of radi 4 cm and 6 cm respectivley. A spherical sheel of permittivity 4 and thickness 1 cm surrounds the inner sphere, the remainder of the space between the spheres being filled with an insulator of permittivity 6, Calculate the capacitance of the capacitor.
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Following are the valence sheel electronic configurations of some elements. Find out the blocks to which they belong in the periodic table?
Correct Answer - B::C::D The block of the elements depend on the type of sub-shell which receive the last electron. In case of (i) it enters in `3p`-subsheel, (ii) it enters...
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A line `O P` through origin `O` is inclined at `30^0a n d45^0toO Xa n dO Y ,` respectivley. Then find the angle at which it is inclined to `O Zdot`
Let `l, m and n` be the direction coisines of the given vector. Then `l^(2)+m^(2)+n^(2)=1`. If `l=cos30^(@)=sqrt(3)//2, m=cos45^(@)=1//sqrt(2),"then "(3)/(4)+(1)/(2)+n^(2)=1`. `rArr" "n^(2)=-1//4`, which is not possible. So, such a line cannot...
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In a parallel plate capacitor the separation between the two plates is maintained by a dielectric of dielectric constant K and thickness `d`. The diel
Correct Answer - `Delta C ~= (C_(0)K^(2)V^(2)in_(0))/(2d^(2)Y)`
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It is known that the ratio of `.^(14)C` to `.^(12)C` atoms in living beings and atmosphere is a constant. In one experiment it was found that the radi
Correct Answer - `1.37xx10^(-12)`
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A parallel-plate capacitor is made up of 11 metal plates each of area 15 `cm^(2)` separated by sheets of mica of realative permittivity 6 and thicknes
Correct Answer - `0.00398muF`
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Calculate the capacitance per metre of a capacitor formed by two long coaxial cylinders of radii 5 and 5.2 cm filled with dielectric of permittivity 1
Correct Answer - `1.7xx10^(-9)F`
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A parallel-plate capacitor contains a mica sheet (thickness `10^(-3)`m) and a sheet of fibre (thickness `0.5xx10^(-3)`m). The dielectric constant of m
Correct Answer - `5200 V`
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The gap between the plates of a prallel-plate capacitor is filled up with two dielectric layers 1 and 2 thickness `d_(1)` and `d_(2)` permittivities `
Correct Answer - `alpha=(epsi_(o)V(p_(2)epsi_(2)-p_(1)epsi_(1)))/(p_(1)d_(1)+p_(2)d_(2));p_(2)epsi2=p_(1)epsi_(1)`
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Between the plates of a parallel-plate capacitor there is a metallic plate whose thickness takes up `eta = 0.60` of the capacitor gap. When that plate
Correct Answer - (a)`-0.15mJ` (b) `0.15mJ`
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The plates of a parallel plate capacitor are separated by a distance `d = 1 cm`. Two parallel sided dielectric slabs of thickness `0. 7cm` and `0.3cm`
Correct Answer - (a) `5xx10^(4)V//m`, `3xx10^(4)V//m`; (b) `35//9`
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