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katietinary1657
katietinary1657
12.03.2021 • 
Physics

You are working as a physics lecture demonstration supervisor at a university. One of the professors wants you to build a device that will pass current in an axial direction along the metal sides of a soft drink can so that it will crush from the pinch effect. This effect is due to the fact that the small element of current in one section of the can is attracted to the current elements in all the other sections, because all the currents are in the same direction. The professor wants this demonstration to be used in a lecture on currents through plasmas, where the pinch effect is observed to cause particles of the plasma to bunch together. The professor has told you that a pinch effect pressure of 3.22 atm should crush the can. Before determining if the professor's request is feasible, you need to determine what axial current (in A) you need to pass through the 2.98 cm radius can. (Hint: Start by finding the pressure on a very thin strip of the can parallel to the axis.)

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