Cell 'A' with O.P. = 10 atm and T.P. = 5 atm is in contact with a cell 'B' having O.P. = 15 atm and T.P. = 12 atm. The flow of water will be:

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TestHub · Accepted Answer

DPD = OP - TP. DPD determines the direction of movement of water between cells, movement of water occurs from cell having lower DPD to higher DPD.
DPD of A = OP - TP = 10 - 5 = 5 atm
DPD of B = OP - TP = 15 - 12 = 3 atm
Thus, water flows from B (low DPD) to A (high DPD).

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