In the Bohr model of the atom, electrons make circular orbits around the nucleus. Consider an atom where an electron is in orbit with a radius of 7.20 x 10-11 m and a speed of 2.10 x 10° m/s. (a) What is the magnitude of the magnetic dipole moment (in A · m2) due to the electron's motion? A: m2 (b) If the electron moves in a horizontal circle, counterclockwise as seen from above, what is the direction of this magnetic dipole moment vector? O downward O upward O to the left O to the right

University Physics Volume 2
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Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 91AP: Consider an electron rotating in a circular orbit of radius r. Show that the magnitudes of the...
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In the Bohr model of the atom, electrons make circular orbits around the nucleus. Consider an atom where an electron is in orbit with a radius of 7.20 x 10-1" m and a speed of 2.10 × 10° m/s.
(a) What is the magnitude of the magnetic dipole moment (in A · m) due to the electron's motion?
A• m2
(b) If the electron moves in a horizontal circle, counterclockwise as seen from above, what is the direction of this magnetic dipole moment vector?
O downward
upward
to the left
O to the right
Transcribed Image Text:In the Bohr model of the atom, electrons make circular orbits around the nucleus. Consider an atom where an electron is in orbit with a radius of 7.20 x 10-1" m and a speed of 2.10 × 10° m/s. (a) What is the magnitude of the magnetic dipole moment (in A · m) due to the electron's motion? A• m2 (b) If the electron moves in a horizontal circle, counterclockwise as seen from above, what is the direction of this magnetic dipole moment vector? O downward upward to the left O to the right
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