Two parallel plate capacitors C 1 and C 2 each having capacitance of 10µF are individually charged by a 100 V D.C. source. Capacitor Q is kept connected to the source and a dielectric slab is inserted between it plates. Capacitor C 2 is disconnected from the source and then a dielectric slab is inserted in it. Afterwards the capacitor C 1 is also disconnected from the source and the two capacitors are finally connected in parallel combination. The common potential of the combination will be ________V. (Assuming Dielectric constant = 10)
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Charge on 
And charge on 
When they are connected in parallel charge will be equally divided so charge on one capacitor is
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