A Capacitor C and resister R are connect...

A Capacitor C and resister R are connected to a battery of 5V in series. Now battery is disconnected and a diode is connected as shown in figure (a) and (b) respectively. Then charge on the capacitor after time RC in (a) and (b) respectively is `Q_A` and `Q_B`. Their value are

`5CV, 5CV`

`(5CV)/e, (5CV)/e`

`(5CV)/e, 5CV`

`5CV, (5CV)/e`

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