The potential difference $(V_A-V_B)$ between points A and B in the given figure is:
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → +17 V
According to Kirchoff's voltage law,
$ΔV=0$
$⇒V_A-5-10-2=V_B$ [V = 1R (Ohm's law)]
$⇒V_A-17=V_B$
$⇒V_A-V_B=17V$