Question

if Q=2t^2+3t+1,then find current in 0 sec and 2 sec​

Answer 1

Answer:

Given,

I=3t

2

+2t+5

Time interval t=0 and t=2s

We know that,

I=

dt

dq

So, the change ∫dq=∫

0

2

Idt

q=∫

0

2

(3t

2

+2t+5)dt=[t

3

+t

2

+5t]

0

2

=(8+4+10)=22C