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Electrics and Transformers
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Will a transformer change the frequency of cycles (Hz Hertz)?
no
When current is passed through the primary and secondary windings it creates a?
magnetic field
What does EMF stand for?
electromotive force
What does this symbol represent, supply voltage or load current?
supply voltage
True of false: Transformers are made to suit single phase and 3 phase supply's?
true
True of False: The oil inside a transformers has different purposes. 1 is to insulate and another is to keep the transformer cool.
true
Which Transformer has more turns on the secondary winding?
step up transformer
Which Transformer has more turns on the primary winding?
step down transformer
Is this the resistance Linkage symbol?
no
Ns is the?
number of secondary windings
Np is the?
number of primary windings
Vs is the?
secondary voltage
Vp is the?
primary voltage
Is this the symbol for a capacitor?
no
Does a step up transformer lower the output voltage for transmission?
no
Does a step down transformer lower the output voltage for distribution?
yes
The power cables used to move electricity from the power station to the consumers distribution plant are called _____________ lines.
transmission
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 feeds the load from the Transformer is called the?
secondary winding
The winding that receives the supply voltage is called?
primary winding
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