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Obtain an expression for effective Capac...

Obtain an expression for effective Capacitance of two Capacitors Connected in series.

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` V = V_1 + V_2`
` V = (Q)/(C_1)` and `V_2 = (Q)/(C_2)`
and susbtituting to get `V = Q =[ (1)/(C_1) +(1)/(C_2)]`
` rArr (1)/(C_5) = (1)/(C_1) + (1)/(C_2)`
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