railway RRB JE (CBT I + CBT II) Mock Test 2024 Electromagnetic Theory Electrostatics Electric Field in Material
A conductor carries a current of 8A and if magnitude of charge of an electron e = 1.6 × 10-19 coulomb, then the number of electrons which flow through the cross section per second is -
1
2.5 × 1019
2
5.0 × 1019
3
8.0 × 1019
4
0.4 × 1019