Q. If a point charge $q$ is moving in a circle of radius $r$ with speed $v$ , then time period $T$ of the point charge will be

2375 224 J & K CETJ & K CET 2018Motion in a Plane Report Error

A

$T = 2 π r / v$

66%

B

$T = 2 π r \times v$

15%

C

$T = π r /2 v$

10%

D

$T = π r / v$

10%

Solution:

$T = \frac{2 π r}{v}$