Question

calculate the number of electrons that pass through an electric lamp ina minute, if current is 500mA​

Answer 1

Explanation:

ANSWER

We know that-

t=5min=5×60=300s

q=It=0.1×300=30C

Now, q=Ne where N= number of electrons

⟹N=

e

q

=

1.6×10

−19

30

⟹N=18.75×10

19

Answer-(C)