1.

Resistances of 6 ohm each are connected in the manner shown in adjoining figure. With the current 0.5 ampere as shown in figure, the potential difference \[{{V}_{P}}-{{V}_{Q}}\] is [CPMT 1989]

A.                    3.6 V
B.                                      6.0 V
C.                    3.0 V
D.            7.2 V
Answer» D.            7.2 V


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