In the circuit as shown in figure if all the symbols have their usual meanings, then identify the correct statement :
A
q2=q2;V2=V3
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B
q1=q2+q3;V2=V3
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C
q1=q2+q3;V1+V2+V3
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D
q1+q2+q3=0;V2=V3=V−V1
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Solution
The correct option is Bq1=q2+q3;V2=V3 As C1 and combine (C2,C3) are in series so charge on C1= charge on (C2,C3) i.e, q1=q2+q3 As C2 and C3 are in parallel so potential across each is same. i,e V2=V3 Here, V=V1+V2orV=V1+V3