Question

Calculate the amount of current passing through a wire at t= 9 seconds , if the electric charge passing through a cross section of wire in t times is given as q(t)= 7t^2+9t-2.
( Hint :- Answer is 135A) .
Please answer full solution. ​

Answer 1

pls refer the attachment

I hope this helps ( ╹▽╹ )

Answer 2

Answer:

above is the correct answer

hope it will help you.