Common static electricity involves charges ranging from nanocoulombs to microcoulombs.

 How many electrons are needed to form a charge of –2.00nC
 
 
 
 
 
 
How many electrons must be removed from a neutral object to leave a net charge of 0.500*µ*C?

To solve these problems, let's break them down step by step.

### Part 1: How many electrons are needed to form a charge of \(-2.00 \, \text{nC}\)?
We've already determined that the number of electrons needed to form a charge of \(-2.00 \, \text{nC}\) is:

\[
n = \frac{-2.00 \times 10^{-9} \, \text{C}}{-1.60 \times 10^{-19} \, \text{C/electron}} = 1.25 \times 10^{10} \, \text{electrons}
\]

### Part 2: How many electrons must be removed from a neutral object to leave a net charge of \(0.500 \, \mu\text{C}\)?
Again, we'll use the formula:

\[
Q = n \times e
\]

Given:
- \( Q = 0.500 \, \mu\text{C} = 0.500 \times 10^{-6} \, \text{C} \)
- \( e = 1.60 \times 10^{-19} \, \text{C} \)

To find the number of electrons \( n \):

\[
n = \frac{Q}{e} = \frac{0.500 \times 10^{-6} \, \text{C}}{1.60 \times 10^{-19} \, \text{C/electron}}
\]

\[
n = 3.125 \times 10^{12} \, \text{electrons}
\]

Thus, \( 3.125 \times 10^{12} \) electrons must be removed from a neutral object to leave a net charge of \( 0.500 \, \mu\text{C} \).

Would you like more details or have any other questions?

Here are 5 related questions:
1. How would the required number of electrons change if the charge was \( 1.00 \, \mu\text{C} \)?
2. What is the total charge if \( 6.25 \times 10^{12} \) electrons are removed from an object?
3. How does removing electrons from a neutral object affect its overall charge?
4. What practical methods are used to remove electrons from an object?
5. What is the significance of the Coulomb in electrical charge measurements?

**Tip:** When removing electrons from a neutral object, the object becomes positively charged. The more electrons you remove, the higher the positive charge.

Learn how to calculate the number of electrons needed to form a charge of -2.00nC and the number of electrons to remove from a neutral object to achieve a net charge of 0.500µC. Understand the fundamental relationship between charge, electrons, and the elementary charge. Suitable for high school students studying electricity and charge.

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