NEET Physics Current Electricity Questions Solved


There is a current of 1.344 amp in a copper wire whose area of cross-section normal to the length of the wire is 1 mm2. If the number of free electrons per cm3 is 8.4 × 1022, then the drift velocity would be 

(1) 1.0 mm/sec

(2) 1.0 m/sec

(3) 0.1 mm/sec

(4) 0.01 mm/sec

Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level: