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1.
Identify the wrong statement.
2.
For the circuit shown in figure the charge on 4
F capacitor is
F capacitor is
3.
27 identical drops of mercury are charged simultaneously to the same potential of 10 V each. Assuming drops to be spherical, if all the charged drops are made to combine to form one large drop, then the potential of larger drop would be
4.
If the potential of a capacitor having capacity 6
F is increased from 10 V to 20 V, then increase in its energy is
F is increased from 10 V to 20 V, then increase in its energy is
5.
1000 similar electrified rain drops merge together into one drop so that their total charge remains unchanged. How is the electric energy affected?
6.
Three charges 
are kept at vertices of an equilateral triangle of side 1m. If they are brought nearer, so that they now form an equilateral triangle of side 0.5m, then work done is
are kept at vertices of an equilateral triangle of side 1m. If they are brought nearer, so that they now form an equilateral triangle of side 0.5m, then work done is
7.
On increasing the plate separation of a charged capacitor, the energy
8.
Two capacitors of capacitance 
are connected in series. If one of them is filled with dielectric substance 
, what is the effective capacitance?
are connected in series. If one of them is filled with dielectric substance , what is the effective capacitance?
9.
Electric field on the axis of a small electric dipole at a distance 
is 
and
at a distance of 
on a line of perpendicular dissector. Then
is and at a distance of on a line of perpendicular dissector. Then
10.
For the circuit shown figure, which of the following statements is true?
