1.

Two condensers, one of capacity C and the other of capacity are connected to a V volt battery, as[AIPMT-2007, RPMT-2008)2shown.The work doen in charging fully both the condensers is(1)2cVса4(3) cV22(4) CV2(2)hame a narallel nlate condenser of plate separation d and plate area of cross-

Answer»

here equivalent total capacitances is c+c/2 = 3c/2

and work done is = (1/2)(Ceq)V² = (1/2)*3C/2*v² = 3/4cv².

your option is wrong

work done by battery is cv^2 so 3/2 cv^2 is the correct answer



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