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In the circuit element given here, if the potential at point $B$, $V_B = 0$, then the potentials of $A$ and $D$ are given as
  • A${V_A} = - 1.5\,V,\,{V_D} = + 2\,V$
  • B${V_A} = + 1.5\,V,\,{V_D} = + 2\,V$
  • C${V_A} = + 1.5\,V,\,{V_D} = + 0.5\,V$
  • D${V_A} = + 1.5\,V,\,{V_D} = - 0.5\,V$
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