NEET Physics Current Electricity Questions Solved

NEET - 2015

A.B and C are voltmeters of resistance R,1.5R and 3R 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,


(a)VA=VB=VC

(b)VA≠VB=VC

(c)VA=VB≠VC

(d)VA≠VB≠VC

The equivalent resistance Q and S is given by

1/R'=1/1.5R + 1/3R

=2+1/3R

=> R'=R

Now, VPQ=VA=IR

Also VQS=VB=VC=IR

Hence, VA=VB=VC

Difficulty Level:

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