Содержание
Слайд 2
A TRANSFORMER-IS A DEVICE WHICH CHANGES A VOLTAGE FROM ONE VALUE
A TRANSFORMER-IS A DEVICE WHICH CHANGES A VOLTAGE FROM ONE VALUE
INTO ANOTHER
It only works with alternating current (A.C.)
Слайд 3
A practical transformer includes two coils wound upon a soft iron.
The
A practical transformer includes two coils wound upon a soft iron.
The
coils are called the primary and secondary coil
Следующая -
Сестринский процесс