Chapter 3: Electrical Fundementals

Color coded markings

Most carbon resistors indicate their electrical resistance by

4

Semiconductors have how many electrons in their valence rings?

ion

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

Three

A potentiometer usually has how many wires?

Throttle position (TPS)

A potentiometer, a three-wire variable resistor, is used in which type of sensor?

Electricity

If a conductor is moved through a magnetic field ________ is produced

False

Insulators lose electrons in their outer shell easier than conductors.

True

It is relatively easy to move an electron from the valence ring of a conductor.

Friction, Heat, Light, Pressure, Chemical

What are the sources of Electricity?

Electricity

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

Thermocouple

Which device produces electrical current resulting from heating of two dissimilar conductors?

Silver

Which element has the least resistance?

Watts

Which of these describes electrical power?

Volts

Which of these is also known as electrical potential?

Piezoelectricity

Which term describes electrical current resulting from pressure applied to certain crystals?

Amps

Which unit of electricity does the work in the circuit?

Fixed Resistor: represents an Electrical load Variable Resistors: Potentiometer and Rheostat

2 type of Resistors are

Semiconductors

Carbon and silicon are examples of ________.

Less than 4

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

The resistance of a conductor increases

As temperature increases, ________.

Piezoelectricity

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

Multiplying volts by current

Electrical power is calculated by ________.

Voltage

Electromotive force is another term for ________.

Technician B Only

Technician A says that resistance increases as the diameter of a conductor increases. Technician B says that resistance increases as the temperature of a conductor increases. Which technician is correct?

Volt

The ________ is a unit of electrical pressure.

Electrochemistry

The automotive battery is based on the principle of

Knock sensor (KS)

The fact that voltage can be created by exerting force on a crystal is used for which type of sensor?

Valence ring

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