1.

The potential difference between points `a` and `b` of circuits shown in figure is A. `((E_1+E_2)/(C_1+C_2))C_2`B. `((E_2-E_2)/(C_1+C_2))C_2`C. `((E_1+E_2)/(C_1+C_2))C_1`D. `((E_1-E_2)/(C_1+C_2))C_1`

Answer» Correct Answer - C
`q=(E_1+E_2)C_(n et)`
`=(E_1+E_2)(C_1C_2)/(C_2+C_2)`
`V_(ab)=q/C_2=((E_1+E_2)/(C_1+C_2))C_1`


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