Auto 122 Exam 39
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?