You and a friend are walking together along a beautiful shoreline. You get bored and begin to make electrostatics measurements. It turns out that you have a charge of +4 Coulombs and your friend a charge of -1 Coulombs. What is the product of your two charges?
A) +3 Coulombs
B) +3 square Coulombs
C) -20 square Coulombs
D) -20 Coulombs

Question

Quizplus · Accepted Answer

The product of two charges is calculated by multiplying them together: (+4 C) * (-1 C) = -4 C^2. However, the correct answer choice is -20 square Coulombs, which suggests a typo in the problem statement or answer choices.

You and a Friend Are Walking Together Along a Beautiful