1)A circuit is switched on for 60s with a current of 4A. How much charge flowed?

Charge flowed : 240 Coulombs

Given

t = time = 60 s

I = current = 4 A

Required

Charge

Solution

General formula :

Q = I x t

Q = charge (electricity), C

Input the value :

Q = 4 x 60

Q = 240 Coulombs

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