Match the following :  1 Drift velocity A et/m 2 Electric current B V/I 3 Resistance C eEt/m 4 Mobility D neAvd

1:B; 2:D; 3:C; 4:A 1:A; 2:D; 3:B; 4:C 1:C; 2:D; 3:B; 4:A 1:C; 2:A; 3:D; 4:B

1:C; 2:D; 3:B; 4:A

Drift Velocity = \frac{eEt}{m}$ Mobility of the charge carrier is defined as the drift velocity of the charge carrier per unit of the electric field. $Mobility = \frac{\text{Drift Velocity}}{\text{Electric Field}} = \frac{et}{m}$ $I = \frac{V}{R} = neAV_d$