Electricity- National Grid

Question 1

The national grid includes the p____ g_________ s______, the c_____ and t____________ that distribute electricity around the country.

Answer 1

The national grid includes the power generation station, the cables and transformers that distribute electricity around the country.

Question 2

Step up transformers step up the voltage and therefore ________ the current.

Answer 2

Step up transformers step up the voltage and therefore decrease the current.

Question 3

Step down transformers step down voltage and therefore ________ the current.

Answer 3

Stepdown transformers step down voltage and therefore increase the current.

Question 4

Transformers reduce heat loss in the ______ and increases __________.

Answer 4

Transformers reduce heat loss in the cables and increases efficiency.