transmission and distribution of electricity

Diagram shows a model of transmission and distribution of electricity.
Rajah menunjukkan sebuah model penghantaran dan penyebaran elektrik.





Name the type of transformer at X and Y.
Namakan jenis transformer pada X dan Y.


          Transformer X              Transformer Y

A        Step down                      Step up

B        Step up                           Step down

C        Step down                     Step up

D        Step down                      Step up














Answer : B
X is step up transformer, Y is step down transformer.