1.

A parallel plate capacitor of capacity \[{{C}_{0}}\] is charged to a potential \[{{V}_{0}}\] (i)       The energy stored in the capacitor when the battery is disconnected and the separation is doubled \[{{E}_{1}}\] (ii) The energy stored in the capacitor when the charging battery is kept connected and the separation between the capacitor plates is doubled is \[{{E}_{2}}.\] Then \[{{E}_{1}}/{{E}_{2}}\] value is    [EAMCET 2003]

A.            4
B.            3/2
C.            2    
D.            1/2
Answer» B.            3/2


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