First slide

voltmeter

Question

Statement 1: Potential measured by a voltmeter across a wire is always less than the actual potential difference across it.
Statement 2: Finite resistance of voltmeter changes current flowing through the resistance across which potential difference is to be measured.

Easy

A

Both statements 1 and 2 are correct
B

Statement 1 is correct statement 2 is incorrect
C

Statement 1 is incorrect statement 2 is correct
D

Both statements 1 and 2 are incorrect

Solution

$\begin{array}{l} i_{1} = \frac{E}{R} R_{eq} = \frac{{RR}_{V}}{R + R_{V}} \\ i_{2} = \frac{E}{({RR}_{V} / R + R_{V})} \end{array}$

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