Moving Charges & Magnetism Worksheets

 

Worksheet-4.07

(Magnetic Dipole Moment of Revolving Electron)

 

General Instructions This worksheet belongs to the Chapter- Moving Charges & Magnetism This worksheet is based on the concept of- Magnetic Dipole Moment of Current Carrying Loop The worksheet includes subjective questions from NCERT & different exams like- CBSE, NEET, PSEB, HSEB etc. The answer key is provided at the end to check your answers.

 

Ques-01:

 

Calculate the magnetic moment of an electron orbiting in a circular orbit of radius ‘r’ with a speed ‘v’.

 

Ques-02:

 

A particle of charge q and mass m moves in a circular orbit of radius ‘r’ with an angular speed ‘ω’. Calculate its magnetic moment.

 

Ques-03:

 

A particle of charge q and mass m moves in a circular orbit of radius ‘r’ with angular speed ‘ω’. Calculate the ratio of the magnitude of its magnetic moment to that of its angular momentum.

 

Ques-04:

 

The radius of the first orbit of hydrogen atom is 0.5 Å. The electron moves in an orbit with a uniform speed of 2.2 x 10⁶ m/s. Calculate the equivalent magnetic dipole moment.

 

Ques-05:

 

Two particles each of mass m and charge q are attached to the ends of a light rigid rod of length 2R. The rod is rotated at constant angular speed about a perpendicular axis passing through its center. The ratio of the magnitudes of the magnetic moment of the system and its angular momentum about the center of rod is_____.

(IIT 1998)

 

ANSWER KEY

 

1. evr/2

2. qωr²/2

3. q/2m

4. 8.8 x 10^-24 Am²

5. q/2m

 

MCQs Quiz-

Quiz on Magnetic Dipole Moment of Revolving Electron

 

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