Current Electricity and Electrical InstrumentHard

Question

A 5V battery with internal resistance 2Ω and a 2V battery with internal resistance 1Ω are connected to a 10Ω resistor as shown in the figure. The current in the 10Ω resistor is
         

Options

A.0.27 A P2 to P1
B.0.03 A P1 to P2
C.0.03 A P2 to P1
D.0.27 A P1 to P2

Solution

       
VP2 - VP1
I = = 0.03 from P2 → P1

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