Question 478: Current Electricity

Question

The potential difference $\left(V_A-V_B\right)$ between the points A and B in the given figure is

Accepted Answer

$$ 	ext { Given circuit can also be drawn as, } $$
$$ \begin{aligned} &	ext { By Kirchhoff's voltage law, }\ &\begin{array}{ll}  & V_A-(2 	imes 2)-(3)-(2 	imes 1)-V_B=0 \ 	herefore & V_A-4-3-2-V_B=0 \ 	herefore & V_A-V_B=+9 V \end{array} \end{aligned} $$

Answer

6 V

Answer

-3 V

Answer

9 V

Answer

3 V

Current Electricity

The potential difference \left(V_A-V_B\right) between the points A and B in the given figure is

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