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If A is connerted with D and B is connec...

If A is connerted with D and B is connected with C find the potential difference a across each capacitor and the final charge in each capacitor.

Text Solution

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Let the potential of `B` and `C` be zero and the common potential on the capacitors be `V`, then at `A` and `D`, it will be `V`. From charge conservation,
.
`C_(1)V+C_(2)V=3V+2V`
`=40-30=10`
or `V=2 V`
Final charge in capacitor `C_(1)` is
`(Q_(1))_("final")=2xx2=4 muC`
Final charge in capacitor `C_(2)` is
`(Q_(2))_("final")=3xx2=6 muC`.
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