Question

In the figure, potential difference between A and B is :

• A. $15V$
• B. zero
• C. $10V$
• D. $5V$

Answer 1

Answer: (C)

$\frac{30-V_A}{10}+\frac{0-V_A}{10}+\frac{0-V_A}{10}=0$
$3=\frac{3V_A}{10}$
$V_A=10V$