Magnetic Forces Problem 19: Suppose a 2.2 T field is applied across a 10-gauge copper wire (2.588 mm in diameter) carrying a 18 A current.     What would the Hall voltage be, in microvolts, if the number density of free electrons in copper is 8.34 × 1028m-3.

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 Magnetic Forces

Problem 19: 
Suppose a 2.2 T field is applied across a 10-gauge copper wire (2.588 mm in diameter) carrying a 18 A current.

   

What would the Hall voltage be, in microvolts, if the number density of free electrons in copper is 8.34 × 1028m-3.

 

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