Electricity Generation and Distribution Quiz 2

What is the primary challenge with electric grids compared to water systems?

• Electricity is cheaper to produce than water.

• Electricity demand is always constant.

• Electricity can be stored easily.

• Electricity must be produced and used simultaneously.

Why does electricity demand peak in January and July?

• Due to increased industrial activity.

• Because of holiday decorations.

• Due to increased use of electric heating in January and air conditioning in July.

• Because of school vacations.

What is the main reason nuclear power stations run continuously?

• They produce the most electricity.

• They are the cheapest source of electricity.

• They are expensive to build and cannot be turned off easily.

• They are environmentally friendly.

Which energy source is used for quick response to short peaks in electricity demand?

• Natural gas fired plants

• Nuclear power plants

• Hydroelectric dams

• Coal power plants

Why is renewable energy considered 'free' once installed?

• There are no additional variable costs to generate power.

• It requires no maintenance.

• It is always available.

• It can be stored easily.

Tags

NGSS.HS-ETS1-3

What is the main challenge with storing electricity?

• High cost of batteries and infrastructure.

• Environmental concerns.

• Lack of technology.

• Excessive space requirements.

Tags

NGSS.HS-ETS1-1

NGSS.HS-ETS1-3

How could electric vehicles potentially support the electricity grid?

• By storing and supplying electricity back to the grid.

• By reducing overall electricity consumption.

• By generating electricity.

• By replacing traditional power plants.

Tags

NGSS.HS-ESS3-4

NGSS.HS-ETS1-1

NGSS.HS-ETS1-2

What is a significant advantage of hydroelectric power?

• It can start and stop making power quickly.

• It is the cheapest form of energy.

• It requires no maintenance.

• It is available everywhere.

Tags

NGSS.HS-ESS3-2

What is the main challenge with long-distance electricity transmission?

• Environmental impact.

• Lack of infrastructure.

• High cost of electricity.

• Electricity loss due to heat conversion.

Tags

NGSS.HS-PS3-4

Why is alternating current (AC) preferred for electricity transmission?

• It is easier to convert between higher and lower voltages.

• It requires less maintenance.

• It is cheaper to produce.

• It is more environmentally friendly.