20 million electrons pass through a point in millionth of second.the current passing through the point is
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1 million = 10^6
1 million of second = (1 / 10^6) of a second = 10^-6 second
Current: Rate of flow of change
Mathematically,
I = nQ / t
= 20 × 10^6 × 1.6 × 10^-19 C / (10^-6 s)
= 3.2 × 10^-6 A
∴ Current passing through the point is 3.2 × 10^-6 A
1 million of second = (1 / 10^6) of a second = 10^-6 second
Current: Rate of flow of change
Mathematically,
I = nQ / t
= 20 × 10^6 × 1.6 × 10^-19 C / (10^-6 s)
= 3.2 × 10^-6 A
∴ Current passing through the point is 3.2 × 10^-6 A
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