Question

The potential difference between points $A$ and $B$ in the circuit shown in the figure.

• A. $6V$
• B. $2V$
• C. $10V$
• D. $14V$

Answer 1

The correct option is A $6V$

Apply KVL;

$12=\frac{Q}{3}+2+\frac{Q}{2}$

$\Rightarrow Q=12\mu C$

Voltage across $2\mu F$ ;

$V_{AB}=\frac{Q}{2\mu F}$

$\Rightarrow V_{AB}=6V$