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

Two point charges Q and -2Q are placed at some distance apart. If the electric field at the location of Q is E, then the electric field at the location of -2Q will be

A
E2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
3E2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
- E
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
- 2E
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A E2
The electric field (E) at the location of first charge Q is given by E=k2Qr2 where r is the distance between two charges. The electric field (E1) at the location of (-2Q) is given by E1=kQr2
From equations (1) and (2)
We get E1E=12 or E1=E2

flag
Suggest Corrections
thumbs-up
32
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Capacitors in Circuits
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon