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Charge
A measure of the total current that flowed within a certain period of time.
Current
The rate at which charge flows, measured in amps.
Coulomb (C)
The unit of measure for electrical charge.
Equation for Charge
Charge (Q) = Current (I) x Time (T), where I is in amps and T is in seconds.
How do you calculate charge if you know current and time?
Multiply current in amps by time in seconds.
If a kettle draws a current of 12 amps for 50 seconds, what is the charge?
600 coulombs.
Current (I) Equation
I = Q / T, where I is current, Q is charge, and T is time.
Kilo coulomb
A unit of charge equal to 1,000 coulombs.
How do you convert hours to seconds?
Multiply the number of hours by 60 to get minutes, then by 60 again to convert to seconds.
If 43.2 kilo coulombs are transferred over 2 hours, what is the current?
6 amps.
