Two capacitors of $10\,\mu \,F$ and $20\,\mu \,F$ are connected in series with a $30\,V$ battery. The charge on the capacitors will be, respectively
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(d) In series combination of capacitor charge on each capacitor is same ${Q_1} = {Q_2} = Q = {C_{eq}}V$
${C_{eq}}V = \left( {\frac{{10 \times 20}}{{10 + 20}}} \right) \times 30$$ = \frac{{200}}{{30}} \times 30 = 200\,\mu C$
${C_{eq}}V = \left( {\frac{{10 \times 20}}{{10 + 20}}} \right) \times 30$$ = \frac{{200}}{{30}} \times 30 = 200\,\mu C$
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