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General
Easy
Question
A capacitor is made of a flat plate of area A and second plate having a stair-like structure as shown in figure. The width of each plate is ‘a’ and the height is ‘b’. The capacitance of the capacitor is
The correct answer is:
Related Questions to study
physics-
One plate of a capacitor is connected to a spring as shown in figure. Area of both the plates is A. In steady state; separation between the plates is 0.8d (spring was unstretched and the distance between the plates was d, when the capacitor was uncharged). The force constant of the spring is approximately
One plate of a capacitor is connected to a spring as shown in figure. Area of both the plates is A. In steady state; separation between the plates is 0.8d (spring was unstretched and the distance between the plates was d, when the capacitor was uncharged). The force constant of the spring is approximately
physics-General
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In the given figure a capacitor of plate area A is charged upto charge q. The mass of each plate is 
The lower plate is rigidly fixed. The value of m1 if the system remains in equilibrium is
In the given figure a capacitor of plate area A is charged upto charge q. The mass of each plate is The lower plate is rigidly fixed. The value of m1 if the system remains in equilibrium is
physics-General
physics-
In the following circuit two identical capacitors, a battery and a switch(s) are connected as shown. the switch(s) is opened and dielectric of constant (
) are inserted in the condensers. The ratio of electrostatic energies of the system before and after filling the dielectric will be
In the following circuit two identical capacitors, a battery and a switch(s) are connected as shown. the switch(s) is opened and dielectric of constant () are inserted in the condensers. The ratio of electrostatic energies of the system before and after filling the dielectric will be
physics-General
physics-
The potential difference between the points A and B in the following circuit in steady state will be
The potential difference between the points A and B in the following circuit in steady state will be
physics-General
physics-
In the following circuit: find the potentials at points A and B is
In the following circuit: find the potentials at points A and B is
physics-General
physics-
The capacitance CAB in the given network
The capacitance CAB in the given network
physics-General
physics-
The capacity between the point A and B in the adjoining circuit will be
The capacity between the point A and B in the adjoining circuit will be
physics-General
physics-
In the adjoining diagram, the condenser C will be fully charged to potential V if
In the adjoining diagram, the condenser C will be fully charged to potential V if
physics-General
physics-
The equivalent capacity between the points A and B in the adjoining circuit will be
The equivalent capacity between the points A and B in the adjoining circuit will be
physics-General
physics-
Two capacitors 
in series, are connected in parallel to a third capacitor 
. This arrangement is then connected to a battery of e.m.f.=2 V, as shown in figure. The energy lost by the battery in charging the capacitors is
Two capacitors in series, are connected in parallel to a third capacitor . This arrangement is then connected to a battery of e.m.f.=2 V, as shown in figure. The energy lost by the battery in charging the capacitors is
physics-General
physics-
In the figure shown the effective capacity across P and Q is (the area of each plate is ‘a’)
In the figure shown the effective capacity across P and Q is (the area of each plate is ‘a’)
physics-General
physics-
The equivalent capacitance 
of the circuit shown in the figure is
The equivalent capacitance of the circuit shown in the figure is
physics-General
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If metal section of shape H is inserted in between two parallel plates as shown in figure and A is the area of each plate then the equivalent capacitance is
If metal section of shape H is inserted in between two parallel plates as shown in figure and A is the area of each plate then the equivalent capacitance is
physics-General
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In the given figure the capacitor of plate area A is charged upto charge q The ratio of elongations (neglect force of gravity) in springs C and D at equilibrium position is
In the given figure the capacitor of plate area A is charged upto charge q The ratio of elongations (neglect force of gravity) in springs C and D at equilibrium position is
physics-General
physics-
Three uncharged capacitors of capacities 
are connected as shown in the figure to one another and the point. A, B and C are at potentials 
respectively. Then the potential at O will be
Three uncharged capacitors of capacities are connected as shown in the figure to one another and the point. A, B and C are at potentials respectively. Then the potential at O will be
physics-General
