A)A solenoid is made of 3000 turns of copper wire. The length of the coil is...
A)A solenoid is made of 3000 turns of copper wire. The length of
the coil is 35.0cm. It is connected to a power supply which
provides a current of 5.00A. What is the magnitude of the B-field
created inside the solenoid.
B) The solenoid coil is twisted to make a toroid of radius 10.0cm.
Determine the magnetic field magnitude inside the coils of the
toroid.
Homework Answers
A) B-field = uoNI / L
B-field = 4*pi*10-7 * 3000*5 / 0.35
B-field = 0.05385 T
B) B-field = uoNI / 2*pi*r
B-field = 4*pi*10-7 * 3000*5 / 2*pi*0.10
B-field = 0.03 T
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