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1.
A parallel plate capacitor has the space between its plates filled by two slabs of thickness 
each and dielectric constant 
and
. 
Is the plate separation of the capacitor. The capacity of the capacitor is
each and dielectric constant and. Is the plate separation of the capacitor. The capacity of the capacitor is
2.
Two metal pieces having a potential difference of 800 V are 0.2 m apart horizontally. A particle of mass 
kg is suspended in equilibrium between the plates. If 
is an elementary charge, then charge on the particle is
kg is suspended in equilibrium between the plates. If is an elementary charge, then charge on the particle is
3.
Each capacitor shown in figure is 
Then the equivalent capacitance between points 
is
Then the equivalent capacitance between points is
4.
Capacitor of a capacitor is 48
. When it is charged from 0.1 C to 0.5 C , change in the energy stored is
. When it is charged from 0.1 C to 0.5 C , change in the energy stored is
5.
In the case of a charged metallic sphere, potential (V) changes with respect to distance(S) from the centre as