David Sang Solutions for Chapter: Electrical Quantities, Exercise 2: Questions

In which direction do the electrons flow?

What is the unit of electric current?

What is the unit of electric charge?

How many $\mathrm{milliamps}$ are there in $1 \mathrm{amp}$?

How many $\mathrm{microamps}$ are there in $1 \mathrm{amp}$?

Which of the following equations shows the correct relationship between electrical units?

If $20 \mathrm{C}$ of charge is passing through a point in a circuit in $1.0 \mathrm{s}$, what current is flowing?

A current of $4.0 \mathrm{A}$ flows around a circuit for $10 \mathrm{s}$. How much charge flows around the circuit in this time?