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.

Question

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., V 1 = V 2, V 1 ≠ V 3 - V 2, V 1 + V 2 > V 3, V 1 + V 2 = V 3

MARKS App · 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 ⇒ V 1 + V 2 = V 3

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