A current of 1.6 A is passed through an electric lamp for half a minute. If the charge on the electron is 1.6 × 10-19 C, the number of electrons passing through it is
A. 1 × 1019
B. 1.5 × 1020
C. 3 × 1019
D. 3 × 1020
Answer:D
A current of 1.6 A is passed through an electric lamp for half a minute. If the charge on the electron is 1.6 × 10-19 C, the number of electrons passing through it is
A. 1 × 1019 B. 1.5 × 1020 C. 3 × 1019 D. 3 × 1020