A, B and C are voltmeters of resistance R, 1.5R and 3 R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter readings are VA,VB and VC respectively. Then
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a
VA=VB≠VC
b
VA≠VB≠VC
c
VA=VB=VC
d
VA≠VB=VC
answer is C.
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Detailed Solution
The current flowing in the different branches of circuit is indicated in the figure.VA=IRVB=2I3×32R=IRVC=I3×3R=IR Thus, VA=VB=VC