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

# In a certain region of space, electric field is along the z-direction throughout. The magnitude of electric field is however not constant, but increases uniformly along the positive z-direction at the rate of 105N C−1m−1. The force experienced by the system having a total dipole moment equal to 10−7C m in the negative z−direction is

A
102N
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
102N
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
104N
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
104N
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

## The correct option is A −10−2NConsider an electric dipole with −q charge at A and +q charge at B, placed along z-axis, such that its dipole moment is in negative z direction.i.e., Pz=10−7C mThe electric field is along positive direction of z-axis, such thatdEdz=105N C−1m−1From, F=qdE=(q×dz)×dEdz=pdEdzForce experienced by the system in the negative z-direction,F=p×(−dEdz)=10−7×(−105)=−10−2N.

Suggest Corrections
0
Join BYJU'S Learning Program
Related Videos
Field and Potential Due to a Dipole
PHYSICS
Watch in App
Join BYJU'S Learning Program