Auto 122 Exam 39

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conventional Theory

This diagram indicates current flow using which theory of current flow?

reference voltage

Voltage Supply to potential meter may be called..................

Electricity

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

Thermocouple

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

Volts

Which of these is also known as an electrical potential?

Watts

Which of these is the term used for electrical power?

Piezoelectricity

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

Ampere

Which unit of electricity does the work in the circuit?

Rheostat

Which variable resistor is most likely used for a dash light dimmer control?

Insulator

What type of material is indicated by this atomic structure?

Silver

Which of these elements has the least resistance?

Ion

A positively charged atom is called a

Throttle position (TPS)

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

Two

A rheostat usually has how many wires?

Three

Able potentiometer usually has how many wires?

Less than 4

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

The resistance of a conductor increase.

As temperature increase,.........................

Semiconductors

Carbon and sillicon are examples of................. .

Piezoelectricity

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

Multiplying volts by current

Electrical power is calculated by........

Starter motor Ignition coil Relay All of these

Electricity moving through a conductor produces a magnetic field. These principles is used in which of the following?

Voltage

Electromotive force is another term for................

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.

Repel

Like charges................

Color coded markings

Most carbon resistors indicate their electrical resistance by....................

Four

Semiconductors have how many electrons in their valence rings?

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?

Knock sensor (KS)

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

Valence ring

The outer electron shell is known as a

Volt

The...............is a unit of electrical pressure.

Electrochemistry

the automotive battery is based on the principles of.............

Both technician A and B

Technician A says that a two-wire variable resistor is called a rheostat. Technician B says that a three- wire variable resistor is called a potentiometer. Which technician is correct?


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