Question:
An electron travelling with velocity v enters a region of
Last updated: 6/9/2023
![An electron travelling with velocity v enters a region of](https://media.kunduz.com/media/sug-question-candidate/20210611050148495971-3487465.jpg?h=512)
An electron travelling with velocity v enters a region of space in which electric and magnetic fields exist Then the electron goes undeflected for all values of fields 1 If both electric and magnetic field are normal to v 2 If the magnetic field alone is normal to v 3 If both electric and magnetic fields are parallel to v If the electric field along is normal to