Teaching UP PGT Mock Test Series 2024 Physics Electric Fields and Gauss' Law A Point Charge in an Electric Field
A charged particle having drift velocity of 7.5 × 10−4 m s−1 in an electric field of 3 × 10−10 Vm−1, has a mobility in m2 V−1 s−1 of :
1
2.5 × 10−6
2
2.25 × 10−15
3
2.25 × 1015
4
2.5 × 106