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Questions  

The reading of the ideal voltmeter in the adjoining diagram will be

a
4 V
b
8 V
c
12 V
d
14 V

detailed solution

Correct option is B

Current flowing in the circuit i=ER=10−420+10 = 15APotential difference across AC=15 × 20 =4VPotential difference across AN = 4 + 4 = 8 V

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