ELECTRICAL GENERATION, DISTRIBUTION & TRANSMISSION

Which of the following devices raises voltage so that it can travel to long distances?

• POWER PLANT

• STEP-UP TRANSFORMER

• STEP-DOWN TRANSFORMER

What energy transformation takes place in a generator?

• Electrical to mechanical energy

• Mechanical to electrical energy

• heat energy

What do you call a facility of producing electricity from energy sources?

• Power plant

• transformer

• generator

Tags

NGSS.MS-ETS1-1

Cathy turned on a lamp switch on her room. Which of the following is the correct path of electrical power that can be traced back to the source?

• power plant ⇒transmission substations ⇒distribution ⇒substations ⇒ residences A

• power plants ⇒distribution substation ⇒transmission substations⇒residences

• power plants ⇒distribution substations ⇒national grid ⇒ residences

Give the correct order of transmission and distribution of electrical energy to consumers. 1 Distribution Substation 2 Power Plant 3 Transmission Station 4 Consumers

• 1234

• 2314

• 4132

Power plant generates electricity.

• True

• False

Step-up transformers reduce the output voltage.

• True

• False

Distribution substation uses big transformer to step up voltage.

• True

• False

Transmission lines transport high-voltage electricity over long distances.

• True

• False

Distribution lines carries electricity at lower voltage.

• True

• False