What is the emf of the second cell
In a potentiometer arrangement, a cell of emf 1.25 V gives a balance point at 35.0 cm length of the wire. If the cell is replaced by another cell and the balance point shifts to 63.0 cm, what is the emf of the second cell?
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Is the hoop stress in a 12" schedule 40 pipe greater or smaller than the axial stress? By how much? So, how will the pipe break when internal pressure exceeds strength ofthe pipe?
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