Question

answer fasthhhvvvgghdfddddfff​

Answer 1

Q8

solution:

given

I = 20 m A = 20× 10^-3 A

t = 10 hr = 10×60×60

we know that

i = q/t

q= it

= 20×10^-3 × 10×60 ×60

= 720 C

Q9

solution

given q = 400C

t = 13 min 20 sec = 800 sec

i = q/t

= 400/800

= 0.5 A

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