Physics-
General
Easy
Question
The capacitors in figure are initially uncharged and are connected as in the diagram with switch S open. The applied potential difference is 
.
What is the potential difference across each capacitor after switch S is closed
- 100 V
- 180 V
- 200 V
- 300 V
The correct answer is: 180 V
Related Questions to study
physics-
The capacitors in figure are initially uncharged and are connected as in the diagram with switch S open. The applied potential difference is .
What is the potential difference 
The capacitors in figure are initially uncharged and are connected as in the diagram with switch S open. The applied potential difference is .
What is the potential difference
physics-General
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i) In an isolated system (neither connected to the terminal of a battery nor to any other source of charge e.g. each) net charge remains constant.
ii) From two terminal of a battery or from two plates of a capacitor equal and opposite charges enter or leave.
Question: Two capacitors of capacity 
and 
are charged to 100V and 50 Separately and connected as shown. Now all the three switches 
and 
are closed.
Suppose 
and 
be the magnitudes of charges flown from switches 
and after they are closed. Then :
i) In an isolated system (neither connected to the terminal of a battery nor to any other source of charge e.g. each) net charge remains constant.
ii) From two terminal of a battery or from two plates of a capacitor equal and opposite charges enter or leave.
Question: Two capacitors of capacity and are charged to 100V and 50 Separately and connected as shown. Now all the three switches and are closed.
Suppose and be the magnitudes of charges flown from switches and after they are closed. Then :
physics-General
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i) In an isolated system (neither connected to the terminal of a battery nor to any other source of charge e.g. each) net charge remains constant.
ii) From two terminal of a battery or from two plates of a capacitor equal and opposite charges enter or leave.
Question: Two capacitors of capacity and are charged to 100V and 50 Separately and connected as shown. Now all the three switches and are closed.
Charges on both the capacitors in steady state will be : (on first ):
i) In an isolated system (neither connected to the terminal of a battery nor to any other source of charge e.g. each) net charge remains constant.
ii) From two terminal of a battery or from two plates of a capacitor equal and opposite charges enter or leave.
Question: Two capacitors of capacity and are charged to 100V and 50 Separately and connected as shown. Now all the three switches and are closed.
Charges on both the capacitors in steady state will be : (on first ):
physics-General
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i) In an isolated system (neither connected to the terminal of a battery nor to any other source of charge e.g. each) net charge remains constant.
ii) From two terminal of a battery or from two plates of a capacitor equal and opposite charges enter or leave.
Question: Two capacitors of capacity and are charged to 100V and 50 Separately and connected as shown. Now all the three switches and are closed.
Which plate (s) form an isolated system :
i) In an isolated system (neither connected to the terminal of a battery nor to any other source of charge e.g. each) net charge remains constant.
ii) From two terminal of a battery or from two plates of a capacitor equal and opposite charges enter or leave.
Question: Two capacitors of capacity and are charged to 100V and 50 Separately and connected as shown. Now all the three switches and are closed.
Which plate (s) form an isolated system :
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Two capacitors of 2mF and 3mF are charged to 150 volt and 120 volt respectively. The plates of capacitor are connected as shown in the figure. A discharged capacitor of capacity 1.5mF falls to the free ends of the wire. Then
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Two capacitors of equal capacitance 
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and 
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and 
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and 
and the energies stored in the capacitors are 
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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 and the height is b. Find the capacitance of the assembly.
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The distance between plates of a parallel plate capacitor is 5 d. Let the positively charged plate is at x=0 and negatively charged plate is at x=5 d. Two slabs one of conductor and other of a dielectric of equal thickness are inserted between the plates as shown in figure. Potential versus distance graph will look like :
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The plates S and T of an uncharged parallel plate capacitor are connected across a battery. The battery is then disconnected and the charged plates are now connected in a system as shown in the figure. The system shown is in equilibrium. All the strings are insulating and massless. The magnitude of charge on one of the capacitor plates is: [Area of plates =A ]
The plates S and T of an uncharged parallel plate capacitor are connected across a battery. The battery is then disconnected and the charged plates are now connected in a system as shown in the figure. The system shown is in equilibrium. All the strings are insulating and massless. The magnitude of charge on one of the capacitor plates is: [Area of plates =A ]
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What is the potential of point a with respect to point b in figure when switch S is open ?
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Plates A and B constitute an isolated, charge parallel-plate capacitor. The inner surfaces (I and IV) of A and B have charges +Q and -Q respectively. A third plate with charge +Q is now introduced midway between A and B. Which of the following statements is not correct?
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Three identical metal plates with large surface areas are kept parallel to each other as shown in figure. The leftmost plate is given a charge Q, the rightmost a charge -2Q and the middle one remains neutral. Find the charge appearing on the outer surface of the rightmost plate.
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