Teaching UP TGT Mock Test Series 2025 Physics Moving Charges and Magnetism Motion in Combined Electric and Magnetic Fields
If a beam of electrons travels undeviated in a mutually perpendicular uniform magnetic and electric fields of intensity 2 × 10-3 T and 1.0 × 104 V/m respectively, the velocity of electron will be:
1
2 × 1010 m/s
2
3 × 104 m/s
3
5 × 106 m/s
4
6.3 × 103 m/s