Q8. When a conductor of a cross-sectional area 5x10-6 m2 carries a current of 6 A, the drift velocity of the conduction electrons is 1.2 x 10-4 ms1-. What is the number density (number per unit volume) of the conduction electrons? Physics — Current Electricity — Question 8 of 484A. 4x10-28 m-3B. 1.6x10-27 m-3C. 2.5x10-27 m-3 D. 6.3x1028 m-3 E. 1.3x1034 m-3 Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →