assuming the electrons to be free calculate the total number of states below E=5eV in a cubical box of volume of 10^-5 m^3
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The mass of the wire will be 0.051kg
Explanation:
The wire is pulled by gravitational force in the downward direction while the magnetic force will act in the upward direction. These two forces cancel each other. So, mass can be found by equating both forces.
mg = ilB
m = ilB/g
m = (2)(0.5)(0.5)/9.8
m = 0.051kg
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