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If 40 C of charge flow past a point in 20 s, What is the current ?
1. 2 A
2. 0.5 A
3. 20 A
4. 40 A

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Correct Answer - Option 1 : 2 A


Electric Current: It is defined as the net amount of electric charge (q) flows through a cross-section of a conductor in an electric circuit in a per unit time (t).

The SI unit of electric current is Ampere(A).

Electric current (I) = Electric charge (q)/Time (t)



Given that:

Charge(q) = 40 Coulomb.

Time(t) = 20 seconds.

By using the formula:


I = 2 Ampere.

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