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1.8A is the current or I. the time is 1 second, or t. and you don't know the charge or Q. the formular is I=Q/t so you substitute the values into the equation. so 1.8=Q/1 then rearrange, so Q=1.8*1 so Q=1.8.

then you need to divide the charge by the charge of one electron which is

-1.6E-19(E is expotential so X10) so 1.8/-1.6E-19=-1.125E19 and the unit is mms-1 so the answer would be -1.125E19mms-1 i hope that is helpful =D

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13y ago
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12y ago

If 1 A is flowing, then 1 C (one Coulomb) of charge passes the reference point each second.

The electron's charge has a magnitude of 1.602 x 10-19 C, and therefore the number of electrons passing the reference point each second is:

1 / (1.602 x 10-19) = 6.24 x 1018

(to three significant figures).

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14y ago

1 coulomb = 1 ampere-second = 6.242 x 1018 electrons

1 ampere x 1 millisecond = (1 x 0.001) = 10-3 coulomb = 6.242 x 1015 electrons

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11y ago

I=1.3A

e-=1.6x10^-19C

I=ne/t

n=It/e

=(1.3A X 1s)/ (1.6x10^-19)

=8.12*10^18 e-

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11y ago

Different countries have different systems.

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11y ago

11kv/6o sec

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Q: How many pulses of current in one second?
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What is the amount of electric energy supplied if the current and voltage are doubled?

Energy is measured in the SI unit Joule. One definition of a Joule is one ampere passing through a resistance of one ohm for one second. Thus doubling the electrical current (amperes/amps) passing through a resistance of one ohm for one second will double the energy. As for voltage, given that voltage (volts) = current (amps) times resistance (ohms) then, assuming a constant resistance, the voltage will double if the current doubles. Thus doubling the voltage (and therefore the current) passing through a resistance of one ohm for one second will double the energy (joules).


The ampere is the unit of electric in the metric system The amount of current per second is what?

The ampere is the unit that measures current. The current is like a flow in a pipe or a river. Just like a flow could be liters or gallons per second, one ampere is 6.24 x1018 electrons passing per second.


What is the difference between volts and current?

Electrical current is the number of elementary charge units (coulombs) that pass by a given point in one second. Current, measured in amperes, is coulombs per second. Electrical voltage is the "pressure" behind that current. Voltage, measured in volts, is joules per coulomb.


A current of 1 ampere is a flow of charge at the rate of?

1 ampere is one Coulomb per second or 6.25E18 electrons per second.


One coulomd per second is equal to?

One coulomb of electric charge per second passing a fixed point in a conductoris the definition of a current of 1 Ampere through the conductor.CommentAn ampere is most definitely not defined as a 'coulomb per second'. It is defined in terms of the force between two, parallel, current carrying conductors.

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How does a diode convert AC to dc current explain by circuit diagram?

Normal house current is AC meaning it alternates on a wire first going one direction then the opposite. Standard AC is 60 hz meaning it does this 60 times per second. A diode allows current flow in one direction only. If you put a diode in an AC line, you will get pulses of current going only one direction on its backside because it refuses to conduct current in the opposite direction. Capacitive and inductive filters on the pulsing side of the diode smooth the current out so that it is no longer pulses going in one direction, it is a steady stream of electrons (DC).


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To find how many coulomb can be transferred in one second depends on the ampere. A coulomb is defined as 1 coulomb equals 1 ampere times 1 second or the current of one ampere in one second time.


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