Question: In the circuit, given in the figure currents in different branches and value of one resistor are shown. Then potential at point B with respect to the point $A$ is :
$+1 \mathrm{~V}$
$-1 V$
$-2 \mathrm{~V}$
$+2 \mathrm{~V}$
Correct Option: 1
Solution:
