Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 75

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Gyromagnetic ratio is a ratio of charge to

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Important Questions on Magnetism

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Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 76

An electron of charge

e

is moving in a circular orbit of radius

r

around a nucleus, at a frequency

υ

. The magnetic moment associated with the orbital motion of the electron is

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Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 77

The valence electron in the lithium atom is moving at a speed of

1.8 \times 10^{6} m s^{- 1}

in an orbit of radius

152 Å

. Neglecting the presence of other electrons in the atom, the magnetic moment of the valence electron is

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Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 78

Magnetic moment associated with orbital motion of electron in an

{He}^{+}

nucleus in first excited state is

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Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 79

A particle of charge

q

and mass

m

moves in a circular orbit with angular momentum given by

i

. The ratio of its magnetic moment

μ

to orbital angular moment

\vec{I}

is given by,

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Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 80

Magnetic moment of revolving electron of charge

e

and mass

m

in terms of angular momentum

L

of electron is

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Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 81

Two particles, each of mass

m

and charge

q

are attached to the two ends of a light rigid rod of length

2 R

. The rod is rotated at constant angular speed about a perpendicular axis passing through its centre. The ratio of the magnitudes of the magnetic moment of the system and its angular momentum about the centre of the rod is

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Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 82

A particle of mass $M$ and charge $q$ is moving in a circle of radius $R$ with speed $v$ , where $v ≪$ speed of light. The ratio of the magnetic moment of the particle to its angular momentum is

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Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 83

If the angular momentum of electron is

\vec{j}

, then its magnetic moment will be,