MCQ
The potential difference $(V_A - V_B)$ between the points $A$ and $B$ in the given figure is ............ $V$
  • A
    $+6$
  • $+9$
  • C
    $-3$
  • D
    $+3$

Answer

Correct option: B.
$+9$
b
$V_{A B}=V_{A}-V_{B}=2 \times 2+3+1 \times 2=9\, \mathrm{V}$

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