Q.
An electron is moving along +x direction with a velocity of 6×106 ms−1. It enters a region of uniform electric field of 300 V/cm pointing along +y direction. The magnitude and direction of the magnetic field set up in this region such that the electron keeps moving along the x-direction will be
see full answer
High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET
🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya
a
3×10−4 T,along –z direction
b
5×10−3 T,along –z direction
c
3×10−4 T,along +z direction
d
5×10−3 T,along +z direction
answer is D.
(Unlock A.I Detailed Solution for FREE)
Detailed Solution
For no deflection magnetic force should be along − y axis , so it can cancel electric force.Hence, magnetic field should be along +z axisFM=FE⇒qvB=qE⇒B=Ev=300×1026×106=5×10−3T along +Z
Watch 3-min video & get full concept clarity