Question

Hollaaa
plz answer to above 12th question with explaination.​

Answer 1

We know,

Q=it

Here, i= 200 mA= 200*10⁻³ A= 0.2 A ; t= 60 s

Q=it= 60 *0.2 C= 12 C

1.6*10⁻¹⁹ C is charge of 1 electron

12 C is charge of 12/1.6*10⁻¹⁹ electrons= 10¹⁹*30/4= 7.5*10¹⁹ electrons

Answer 2

hope it helps

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