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Q.

Three voltmeters, all having different resistances, are joined as shown. When some potential difference is applied across A and B, their readings are  V1,V2,V3:

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a

V1=V2

b

V1V2

c

V1+V2=V3

d

V1+V2V3

answer is B, C.

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Detailed Solution

In  parallel combination potential difference are same 
So  V1+V2=V3   Here  V1andV2  are in series but  their resistances are different
So   V1=iR1       V2=iR2       V1V2,

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