A current of 10-14 a is produced in a free-air chamber, Ask an Expert

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Q1. Collapsible plastic bags are used in hospitals for infusions. We want to use such a bag to infuse an electrolyte solution into the artery of a patient. For this, we mount bag at a height h above the arm of a patient. Assuming that the average gauge pressure in the artery is 13.3 k Pa and density of the electrolyte solution is 1030 kg/m3, what is the least height h in order for the infusion to work?

Q2. A current of 10^-14 A is produced in a free-air chamber operating under saturation conditions. The sensitive volume, in which electronic equilibrium exists, contains 0.22g of air. What is the exposure rate?

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