CASA Part 66 Module 3 - Electrical Fundamentals Revision Part 2

In a LCR circuit it will act Capacitively or Inductively by which has the most current flowing through it

Point A refers to

Two Phase Alternator produce multiple alternating voltages at a ____

If I had a 3rd wire in the middle of the windings on the right leading away towards C it is said to be

When conductors magnetic flux induces voltage in another isolated conductor

An auto transformer requires an isolated secondary to the primary to be tapped in order to induce voltage

This transformer is said to be ______

What is the Total Circuit current if | X_L= 6 Ohms | X_c= 30 Ohms | R = 10 Ohms | V_gen= 30V

A triangle wave and a sawtooth wave both have even rise and fall times

This wave represents a wave

What does C refer to if B goes to the load

Mutual induction induces current in the same direction in the second conductor as the first

A Revolving Field type generator, the Rotor is _____ the stator is _____

Point A to Point B refers to

What are the 4 types of AC signal waves

Area 3 is where ______ occurs

If 6 is the Primary this is a _____ transformer

When Voltage is applied to an inductor, the inductor will apply

What are the 3 fields that make up a Brushless Alternator

Series Wound Motor does not have a constant

How is a Shunt Wound motor Connected

Instantaneous Power occurs at ____ that of voltage and current

Total power is referring to

What core material allows high frequencies

This is an example of a ____ filter

Capacitive Reactance can be noted as

What is not a way to Connect a 3 phase Alternator

What does A refer to

If one of the dots was at the opposite end it would be ______

A phasor diagram is useful as once its drawn we can use _____ to find our vectoral sum to then find phase angle

Reactive power only occurs when there is ________

X_C=\frac{1}{2\pi fC}

1 Cycle has ____ degress

When talking about 3 Phase we are talking about a ___ phase shift

Rotating field types are suited to ______

What is not a type of AC of Generators/Alternators

A Revolving Armature type generator, the Rotor is _____ the stator is _____

Area 2 is where ______ occurs

Brushless motors don't have brushes to carry current to the electromagnet, how do they carry current to it?

Mutual Inductance EMF is affected by

The previous fields are connected in a ___ configuration

X_L=2\pi fL

Alternating current is represented as a

What is not one of the 2 Types of Compound Motors

Wye connections are different from Delta connections because ____

A Phasor diagram where θ=0Degrees refers to

Average Value of a sine wave is

What is not one of the 3 Types of power

Area 1 is where ______ occurs

What are the 4 types of common Filters

If current is switched on and off it will build and collapse a magnetic field creating voltage

This is a Series _______

At which point is no change occurring

How much current is flowing in the primary

Counter EMF - CEMF refers to EMF produced in the Opposite direction

EMF that is in opposition to an existing EMF

If the black line is current what type of circuit is this?

Frequency and Period are

Polyphase refers to What phase alternator

This wave is

If a circuit has 100Hz and 1000mH calculate the inductive reactance

This is an example of a

There are 2 core types what does this image show

An Air core transformer has Hysteresis loss

At which point is the most amount of change occurring

EMF produced is due to -N\frac{ΔB}{Δt} the polarity of the EMF is opposite

Transformers have ___ leads

RMS does not stand for

This represents the Phase shift of a purely____ circuit

At which point is the most amount of +ve change occurring

Brushes Shift in the same direction as Generators to eliminate Armature Reaction

RMS Value of 2000V Peak to Peak is

What is a downside of a a Revolving armature type

Permanent Magnet Generators operates by a rotating Magnet in a steel core in which modes?

Which does not affect induction

Flux in the transformer core is proportional to the Magnetic force in

Perpendicular conductors have high mutual inductance

Which area do we want to be in

Power will always be ____ in a resistive circuit and can be _____ in a capacitive and incuductive circuit

Inductive circuits have a -90 degree phase shift

True power is our reference point, Reactive power is our vertical axis what is Apparent power on a phasor diagram

Capacitive Circuits will always have their current going the same direction

Impedance is the total opposition to current flow

Flux that does not cut or link with the other winding in a transformer refers to

Inductive Reactance can be noted as

An Ideal Transformer is 95% and above efficient

\frac{L}{R}=TC

1 cycle has _____ alternation/s

Single Phase Alternator produce a Single Alternating voltage by using a __________

Instantaneous Value can be calculated with V_Instant = V_Peak x Sinθ

What is this component

Purely Resistive power is referring to

How much current is being passed through to the load

Impedance in a the below circuit will use

Hysteresis loss is lost through the

This Calculates inductance in a

A hysteresis loop is generated by measuring

CIVIL refers to

What is not a formula for True Power

If V_L x I_L finds Reactive power what does V_C x I_C find?

Inductors Don't

AC Motor speed is directly proportional to _____

Shunt does generators have constant ____ regardless of load

If the components of this example where in opposite places it would be a _____ filter

Voltage and Current are said to have

Series motor Speed can be controlled by using a Rheostat in Series or Parallel

What is the total impedance in this series LCR circuit

The Secondary is not the opposite polarity of the Primary when a voltage has been induced.

A transformer changes the frequency and power induced in the secondary

Total impedance of this Parallel LCR circuit

Brushless Alternators are used in aircraft because

EMF is proportional to the rate of change in magnetic flux refers to

If frequency is increased Capacitive Reactance increases

If the red line is current what type of circuit is this?

A phasor diagram is not used to find

If an auto transformer is in an open circuit condition

Point C refers to

m=K\sqrt{L_1\times L_2} What does this calculate?

Z = \frac{R\times(X_L-X_C)}{\sqrt{R^2+(X_L-X_C)}}

What does it mean when a transformer has no continuity

Flux that is common in the core that links the primary and secondary windings is referred to as

If frequency is increased Inductive Reactance increases

If 4 is the Primary this is a _____ transformer

Coupling Coefficient of 1 means

These calculate inductance in