Np is the?
number of primary windings
There are 2 types of Transformers, 1 is called a 'step down transformer' and the other one is called a?
step up transformer
The winding that receives the supply voltage is called?
primary winding
True of False: The oil inside a transformers has different purposes. 1 is to insulate and another is to keep the transformer cool.
true
Why are coils made of aluminium or copper?
Because they are highly conductive
What's another name for windings?
Coils
Will a transformer change the frequency of cycles (Hz Hertz)?
no
Ns is the?
number of secondary windings
When current is passed through the primary and secondary windings it creates a?
magnetic field
Vp is the?
primary voltage
What does a step up transformer do?
Increase the voltage
Describe how a transformer works.
AC source ---> Primary Winding ---> Magnetic field ---> Secondary winding ---> AC outlet
Which Transformer has more turns on the secondary winding?
step up transformer
Why do we depend on transformers to have electricity?
Voltage change is necessary for transmission and distribution lines.
Is this the symbol for a capacitor?
no
The power cables used to move electricity from the power station to the consumers distribution plant are called _____________ lines.
transmission
Does a step down transformer lower the output voltage for distribution?
yes
Vs is the?
secondary voltage
Does a step up transformer lower the output voltage for transmission?
no
The winding that feeds the load from the Transformer is called the?
secondary winding
What does a step down transformer do?
Decrease the voltage
Which Transformer has more turns on the primary winding?
step down transformer
What does EMF stand for?
electromotive force