Assertion (A): If an electron having charge e is revolving in an orbit of radius

CuriousTab

Home Aptitude

Question
Assertion (A): If an electron having charge e is revolving in an orbit of radius R and with angular velocity ?, the magnetic dipole moment of orbit is 0.5 e?R².
Reason (R): Orbital angular momentum and magnetic dipole moment are always equal.
Options
A. Both A and R are true and R is correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true but R is false
D. A is false but R is true

Correct Answer

A is true but R is false

Explanation

Orbital angular momentum and magnetic dipole moment are not equal.