Undestanding electricity Lesson 5 Current, Resistance, and PD

Electrons not bound tightly to an atom are called _____ electrons.

The most common electrical conductors in the plant are made of _____ or _____.

Electric current is defined as the amount of ______ moving past a given point in a(n) ____.

A rate of flow of one coulomb per second is called one _____

Resistance is a property of a(n) ____, its _____, and its _____.

Potential difference is the difference in _____, per unit of ____, between two points.

A potential difference of one joule per coulomb is called one _____.

What happens to the current between two points if the potential difference between them decreases to zero?

What is the name for the proportional relationship between potential difference and current?

Resistance is measured in units called