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1.
Two condensers, one of capacity 
and the other of capacity 
, are connected to a 
volt battery , as shown. The work done in charging fully both the condensers is
and the other of capacity , are connected to a volt battery , as shown. The work done in charging fully both the condensers is
2.
A 20
capacitor is connected to 45 V battery through a circuit whose resistance is 2000
What is the final charge on the capacitor?
capacitor is connected to 45 V battery through a circuit whose resistance is 2000 What is the final charge on the capacitor?
3.
Two insulating plates are both uniformly charged in such a way that the potential difference between them is 
V. (
, plate 2 is at a higher potential). The plates are separated by 
m and can be treated as infinitely large. An electron is released from rest on the inner surface of plate 1. What is its speed when it hits plate 2? (e=1.6
V. (, plate 2 is at a higher potential). The plates are separated by m and can be treated as infinitely large. An electron is released from rest on the inner surface of plate 1. What is its speed when it hits plate 2? (e=1.6
4.
A dielectric of dielectric constant 
is introduced such that half of its area of a capacitor of capacitance is occupied by it. The new capacity is
is introduced such that half of its area of a capacitor of capacitance is occupied by it. The new capacity is
5.
A metal foil of negligible thickness is introduced between two plates of a capacitor at the centre. The capacitance of capacitor will be