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In the model of hydrogen atom created by Niels Bohr, the electron moves around the lone proton in the nucleus at a speed of 2.2 x 10⁶ m/s in a circle with radius 5.3 x 10^-11m. Consider the orbiting electron to create a small circular current loop and assume that the proton is massive and stationary.

a) what is the kinetic energy of the electron?

b) what is the electrostatic potential energy of the electron at this location?

c) what is the total energy of the electron?

d) is the total energy positive? (answer is either yes or no)

e) find the magnetic field created by the electron at the location of the proton.

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