Solve the given problem:
Problem: Charge is a property of matter and has a unit known as a Coulomb. One Coulomb of charge moving by a point each second is known as an Ampere, the measure of current. Most of us have measured currents before or at least heard about them.
Part I. What instrument is used to measure charge and what is the instrument used to measure current?
Part II. Have you ever seen either or both of these instruments?
Part III. Why is one of these more important in engineering applications than the other?
I need help for explain the all parts of above problem.