A 33cm -long solenoid, 2.0cm in diameter, is to produce a 0.25T magnetic field at its center.
If the maximum current is 4.2A , how many turns must the solenoid have?
B due to solonid is B = u0nI
n = 0.25/(4pi*10^-7 * 4.2)
n = 47391
N = nl = 47391*0.33 = 15640 turns
A 33cm -long solenoid, 2.0cm in diameter, is to produce a 0.25T magnetic field at its...
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