Physics
Grade-9
Easy
Question
How much charge is flowing in a circuit in 20 s in a circuit if the current flowing through it is 40 A
- 800 C
- 2 C
- 0.5 C
Hint:
current is the rate of change of charge.
The correct answer is: 800 C
current = 40A and time= 20sec
charge= current*time= 40*20= 800C
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