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Find how much energy is needed to remove one of the neutrons from a ^3H atom to yield a ^2H atom plus a neutron.
The rest energy for:
neutron = 939.565
proton = 938.272
^2H = 1875.613
You have 31m of wire, which you want to use to construct a 45cm diameter coil whose magnetic field at its center will exactly cancel the earth's field of 0.55 gauss. What current will your coil require
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