Question
The magnetic moment of an electron (e) revolving in an orbit around nucleus with an orbital angular momentum is given by:
BITSAT
Physics
Magnetic Effects of Current
2023
BITSAT 2023 (Memory Based Paper 1)
BITSAT Physics Question (2023) — Solution
Options
- A. _L= e L 2 m
- B. _L=- e L 2 m
- C. _l=- e L m
- D. _l= 2 e L m
Answer
A. _L= e L 2 m
Step-by-step solution
As M = IA | M |= e 2 R v R ^2 [ I = Q T = e 2 R V ] | M |= 1 2 e v R | M |= mvR 1 e 2 ~m | M |= eL 2 ~m | M |=- e L 2 ~m [ Here M and L will always be opposite]
Related: Physics — Magnetic Effects of Current · All PYQ Banks