A uniform magnetic field B stores energy of 7.50×10–3J in a box that is 1.66 m3...
A uniform magnetic field B stores energy of 7.50×10–3J in a box that is 1.66 m3 in volume. What is the strength of the magnetic field B?
Homework Answers
As
Energy stored,E=7.50
10-3
J
Volume,V=1.66 m3
Energy density is given by
Energy stored/Volume=B2/2
0
So
B=(2E0/V)1/2
=(27.5010-34
10-7/1.66)1/2=1.06610-4
T
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