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Sagot :
How much negative charge has been removed from a positively charged electroscope if it has a charge of 7.5x10-11C?
If C is Coulombs then, −1 C is equivalent to the charge of approximately 6.242×10^18 electrons.
You already gave the answer: -7.5x10–11C
It is like asking: What colour is my white horse?
Now if you want to know how many electrons have been removed, then multiplying the number of electrons in a coulomb by the coulombs you have, you get 4.6815 x 10^8 electrons. Which is almost the same answer as before.
3.7 x 10^8 electrons are removed from a positively charged electroscope.
The magnitude of charge carried by one electron is 1.602 x 10^-19 C
From the question, we can see that the net charge on the electroscope is 6 x 10^-11 C
Given that;
6 x 10^-11 = 1.602 x 10^-19 n
Where n is the number of electrons removed from a positively charged electroscope
Therefore;
n = 6 x 10^-11/ 1.602 x 10^-19
n = 3.7 x 10^8 electrons
Learn more: https://brainly.com/question/10470196
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