Chapter Quiz 39 A and B

Creating electricity by exerting force on a crystal is called ________.

• electrochemistry

• piezoelectricity

• thermoelectricity

• photoelectricity

The automotive battery is based on the principle of ________.

• electrochemistry

• photoelectricity

• piezoelectric energy

• none of these

An electrical conductor is an element with ________ electrons in its outer orbit.

• less than 2

• less than 4

• exactly 4

• more than 4

A positively charged atom is called a(n) ________.

• ion

• neutron

• quark

• None of these

Most carbon resistors indicate their electrical resistance by ________.

• color coded markings

• shape

• printed numbers indicating resistance in ohms

• none of these

Which of these elements has the least resistance?

• Silver

• Gold

• Copper

• None of these

What type of material is indicated by this atomic structure?

• Insulator

• Conductor

• Semi-conductor

• Coaxial

A rheostat usually has how many wires?

• Two

• Three

• Four

• None of these

What term describes the movement of electrons from one atom to another?

• Electricity

• Energy transfer

• Chain reaction

• None of these

The outer electron shell is known as a(n) ________.

• valence ring

• distant ring

• unstable shell

• None of these