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  • In the given circuit, the voltmeter and the electric cell are ideal. Find the reading of the voltmeter <img alt="" src="https://cdn.entrance360.com/media/uploads/2023/08/18/f52_q17.PNG" s

In the given circuit, the voltmeter and the electric cell are ideal. Find the reading of the voltmeter

Option: 1

1V


Option: 2

2V


Option: 3

3V


Option: 4

None of these


Answers (1)

best_answer

The electric current through ideal voltmeter is zero. According to the loop rule,
\mathrm{E-1 \times I-1 \times I=0 \Rightarrow I=\frac{E}{2}=\frac{2}{2}=1 \mathrm{~A} }
Reading of the voltmeter =\mathrm{V_A-V_B}

\mathrm{ =[1 \times I]=[1 \times 1]=1 \mathrm{~V} }

Posted by

Kuldeep Maurya

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