Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 68

EASY

MHT-CET

IMPORTANT

Earn 100

A charge $q$ is spread uniformly over an isolated ring of radius $R$ . The ring is rotated about its natural axis with an angular velocity $ω$ . The magnetic dipole moment of the ring is

50% studentsanswered this correctly

Important Questions on Magnetism

MEDIUM

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 69

If an electron of charge

(- e)

and mass

m_{e}

revolves around the nucleus of an atom having magnetic moment

M_{c},

then angular momentum of electron is

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 70

If

M_{0}

and

L_{0}

denote the orbital angular moment and the angular momentum of the electron due to its orbital motion, then the gyromagnetic ratio is given by

EASY

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 71

The S.I. unit of gyromagnetic ratio is

MEDIUM

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 72

The electron in the hydrogen atom is moving with a speed of

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

in an orbit of radius

0.5 A

. Magnetic moment of the revolving electron is

MEDIUM

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 73

The electron in the hydrogen atom revolves around the nucleus in an orbit of radius $0.5 A$ . What is the equivalent magnetic moment, if the frequency of revolution of the electron is $10^{10} MHz ?$

MEDIUM

MHT-CET

IMPORTANT

Physics Crash Course MHT-CET>Chapter 17 - Magnetism>Exercise 1>Q 74

If the angular momentum of an electron is

\vec{J}

then the magnitude of the magnetic moment will be

EASY

MHT-CET

IMPORTANT

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

Gyromagnetic ratio is a ratio of charge to

EASY

MHT-CET

IMPORTANT

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