how many electrons make one coulomb charge solve in detail
Answers
Answer:
hello..
Explanation:
The Coulomb is a ’derived’ unit. That is, its value depends on the basic units of the metric system, the meter, the kilogram, the second, and the Ampere.
So one Coulomb is defined as the amount of charge collected by an electric current of one Ampere in one second.
The Ampere is defined as the amount of current required to produce a certain magnetic force between a pair of current carrying wires.
how many electrons per second equals one Ampere.
The Millikan oil drop experiment which measures the charge on a single electron provides that answer.
one needs to define a consistent set of basic units that span all of the possible things you can measure.
One electron has a charge equivalent of 1.6x10^-19 coulomb. can be written as 1.6x10^-19 C = 1 electron-charge .
To get the value of 1 C,
both sides of the equation have to be divided by 1.6x10^-19.
This is written as
1 C =( 1 / (1.6x10^-19) )electrons.
Dividing 1 by 1.6x10^-19 gives a value of 6.25x10^18 electrons per coulomb.
One ampere equals 1 coulomb per second. Therefore, a vacuum cleaner with a 3.5-amp motor uses 3.5 coulomb per second multiplied by 6.25x10^18 electrons/coulomb, or
21.875x10^18 electrons per second. That is 21,875,000,000,000,000,000 electrons every second!
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