A- basic electricity

Question 1

what is inductance?

Answer 1

Induced voltage, which is opposite in direction to applied voltage

Question 2

what causes opposition to the flow of applied current in an AC circuit?

Answer 2

Inductive reactants, and capacitance reactants

Question 3

what represents capacitors in an AC circuit

Answer 3

A capacitor

Question 4

what is the function of a capacitor?

Answer 4

Serves as a reservoir or storehouse for electricity

Question 5

why should nickel cadium batteries and lead acid batteries not be stored or serviced in the same area?

Answer 5

they are chemically opposite and the fumes from the lead acid battery can contaminate the electrolytes in the nickel cadium battery

Question 6

what does an electrical circuit consist of?

Answer 6

A source, resistance and conductor

Question 7

what is the most important law applicable to the study of electricity?

Answer 7

Ohms law

Question 8

what are the elements of ohms law?

Answer 8

Voltage,current, and resistance

Question 9

what units used to measure power in DC circuits

Answer 9

Watt

Question 10

how much watts equal 1 kilowatts

Answer 10

1,000

Question 11

what current changes occur in a DC circuit when the applied voltage is increased in the resistance, remains constant

Answer 11

The current increases

Question 12

what could cause a nickel-cadium battery to fail to deliver its rated capacity?

Answer 12

Cell imbalance, or faulty cells

Question 13

what are the functions of most multimeters?

Answer 13

They indicate amps, volts and ohms

Question 14

what is one advantage of AC circuits over DC circuits in aircraft

Answer 14

Saves space and weight

Question 15

defined the term impedance

Answer 15

The total opposition to the flow of current in an electrical circuit

Question 16

How many cells make up a lead acid battery rated at 24 Volts

Answer 16

12 cells

Question 17

What should be the specific gravity of the electrolyte in a fully charged lead acid battery?

Answer 17

Between 1.275 and 1.3

Question 18

what is the effect of temperature on specific gravity of the electrolyte when checking a lead acid battery?

Answer 18

Temperature changes electrolyte density greater than 90°F or less than 70°F

Question 19

why is a specific gravity check on the electrolyte in a nickel caladium battery not acceptable to determine battery charge

Answer 19

The electrolyte specific gravity does not change with the state of charge

Question 20

how is Ohms law express in an equation?

Answer 20

E=IxR

Question 21

What is the most frequent cause of damage to solid state components, and integrated circuits

Answer 21

Electrostatic discharge from the human body due to careless handling

Question 22

what is magnetism?

Answer 22

The property of an object to attract certain metallic substances

Question 23

what is the difference between permanent and temporary magnets?

Answer 23

Permanent magnets retain their magnetism, while temporary magnets quickly lose most of their magnetism

Question 24

What is the definition of a short circuit?

Answer 24

unintentionally, low resistance path between a component/conductor and ground

Question 25

how would a technician connect a meter in a circuit to read its current

Answer 25

Insert the meter in series

Question 26

what is the common name for the lines of force that make up a field surrounding a magnet?

Answer 26

Magnetic flux, or flux lines

Question 27

what is the name of the concept that describes the relationship between electricity and magnetism?

Answer 27

electromagnetism

Question 28

name at least two sources of electrical energy

Answer 28

thermal, light,pressure, chemical

Question 29

what is the general purpose of a resistor?

Answer 29

To limit the amount of current flow

Question 30

how many small fixed resistors value be easily determined

Answer 30

By the color bands

Question 31

name at least two types of resistors

Answer 31

Fixed and variable

Question 32

What is the standard unit of measure of frequency?

Answer 32

hertz

Question 33

describe a basic capacitor

Answer 33

two parallel plates, separated by a dielectric

Question 34

what is the basic unit of the measure of capacitance?

Answer 34

farad

Question 35

what is the basic unit of the measure of inductance

Answer 35

Henry

Question 36

what component can change the electrical energy of a voltage to a different level of energy?

Answer 36

Transformer

Question 37

when using a multimeter, what setting or type of check is typically used to determine an open in a conductor?

Answer 37

Continuity

Question 38

when troubleshooting for your open circuit with a multimeter, a closed circuit, or a good wire, will be indicated with what reading

Answer 38

A near zero reading

Question 39

what instrument is used to measure the density of the electrolyte in a lead acid battery?

Answer 39

Hydrometer

Question 40

name the two types of batteries commonly used in modern aircraft

Answer 40

Lead acid and nickel cadmium

Question 41

in regards to batteries, what is an SLA battery?

Answer 41

Sealed lead acid battery

Question 42

what component can change a DC current into AC current

Answer 42

Inverter

Question 43

What component can transform, alternating current into direct current?

Answer 43

A rectifier

Question 44

what is the basic component that allows current to flow in one direction only

Answer 44

diode

Question 45

what does the acronym LED stand for?

Answer 45

Light emitting diode

Question 46

describe a basic AND gate

Answer 46

East standard logic symbol that has two inputs or more and one output. The two input signals must be received.

Question 47

describe a basic OR gate

Answer 47

A standard logic symbol that has two inputs or more and one output. Only one of the two input signals must be received