state gov BSSC Laboratory Assistant Mock Test Series 2025 Physics Moving Charges and Magnetism Motion in a Magnetic Field
Assume that an electric field E = 30x2î exists in space. If 'V0' is the potential at the origin and 'VA' is the potential at x = 2 m, then the potential difference (VA - V0) is
1
-80 J
2
-120 J
3
80 J
4
120 J