- Home
- Standard 12
- Physics
4.Moving Charges and Magnetism
easy
An electron is moving on a circular path of radius $r$ with speed $v$ in a transverse magnetic field $B$. $e/m$ for it will be
A
$\frac{v}{{Br}}$
B
$\frac{B}{{rv}}$
C
Bvr
D
$\frac{{vr}}{B}$
Solution
(a) $r = \frac{{mv}}{{eB}} \Rightarrow \frac{e}{m} = \frac{v}{{rB}}$
Standard 12
Physics
Similar Questions
medium