Calculating Current for 1.5T in Solenoid

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To calculate the current needed to achieve a magnetic field of 1.5T in a solenoid that is 1.8m long and 75cm in diameter, the number of turns must first be determined. The wire used has a diameter of 2mm, which is crucial for calculating the total number of turns. The formula N=2piR/L can be applied, where R is the radius of the solenoid and L is the length of the wire. The user seeks assistance in determining how many 2mm wire segments fit into the 1.8m length. This foundational step is essential for solving the overall problem.
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Homework Statement



Solenoid is 1.8m long and 75 cm in diam. one layer tightly wound with wire that has diam 2mm. what current needs to run thru to get 1.5T

Homework Equations


N=2piR/(L) where R is radius of solenoid and L is wire lenght


The Attempt at a Solution


Once I find how many rolls I can solve the problem. I need help finding this
 
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How many times does 2 mm go in 1.8 m? Or think of it in terms of dimensional analysis. You've got 1turn/2mm.
 

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