Question

a charge of 60 c passing through wire for 90 min . find current​

Answer 1

Answer:

Here, q=60C,t=30

seconds,

r=10−3m,n=5×1022/cc≅5×1028m−3

Current I=qt=6030=2A

Drift velocity, vd=IneA=Ineπr2

2(5×1028)×(1.6×10−19)×3.142×(10−3)2

=7.95×10−5ms−1

Answer 2

Answer:

You can also consider a simpler definition of current and calculate;

2.5 minutes are 150 seconds.

Charge (in Coulombs) is the product of current (A) and time (s). So

150 seconds x 0.08 amps = 12 C

Explanation: