Three voltmeters, all having different internal resistances are joined as shown in figure. When some potential difference is applied across $A$ and $B$ , their readings are $V_{1}, V_{2}$ and $V_{3}$ . Choose the correct option.

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TestHub · Accepted Answer

Let's consider the following diagram:

According to the Kirchhoff's voltage law, the algebraic sum of the voltages in a closed loop is zero.

From the above figure, it can be written that

$V_{1} + V_{2} - V_{3} = 0 \Rightarrow V_{1} + V_{2} = V_{3}$

Physics - Current Electricity Question with Solution | TestHub

Options:

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