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17. What is oxidation ?I8. Mammals and birds have four chambered heart. Why ?16x2=32IV Answer the following quesitons:19. 2A of electric current is passed through bulb for 5 minutes calculate the amount of electric chargesflowing through the bulb.ir oridised during aerobic respiration.

Answer»

We have given :

I (current)= 2 A,

T(time)=5min = 5*60 sec=300sec,

We have to calculate q (electric charge)

We have formula :

Current = flow of charge / unit time

I = q / t

q = I * t

q = 2 A * 300 sec

q = 600 A / sec

Or

q = 600 coloumb.

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