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A Tube of Mercury with Resistivity 9

Question 103

Multiple Choice

A tube of mercury with resistivity 9.84 × 10-7 Ω ∙ m has a uniform electric field of 23 N/C inside the mercury.What is the current through the tube,if the radius of the tube is 0.495 mm?


A) 18 A
B) 180 A
C) 29 A
D) 280 A

Correct Answer:

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