CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Five equal charges each of value q are placed at the corners of a regular pentagon of side a. The electric field at the centre of the pentagon is:
940935_3270963171cf4107ab160c040d09b68f.png

A
q4πε0r2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
q24πε0r2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2q4πε0r2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
zero
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D zero
The point O, the center of the pentagon is equidistant from all the charges at the end point of pentagon. Thus, due to symmetry, the electric field due to all the charges are cancelled out. As a result electric field at O is zero.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
The Electric Field
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon