Question

If (1.80 X 10²0) electrons move through a pocket calculator during a full day’s operation, how many coulombs of charge moved through it?

a) (2.81 X 10⁵) C
b) (5.63 X 10⁵) C
c) (1.26 X 10⁴) C
d) (2.52 X 10⁴) C

Answer 1

The number of coulombs of charge moved through the pocket calculator is 2.88 C.

Step-by-step explanation:

To calculate the number of coulombs of charge moved through the pocket calculator, we need to use the formula:

charge = number of electrons × elementary charge

The elementary charge is the charge of a single electron, which is approximately 1.6 × 10^{-19} C. Therefore, the number of coulombs of charge moved through the pocket calculator is:

charge = (1.80 × 10^{20}) × (1.6 × 10^{-19}) C

Simplifying the expression gives us:

charge = 2.88 C

Therefore, the answer is not one of the options given. The correct answer is 2.88 C.