Energy and Electricity Basics Quiz

What is electrical current?

• The resistance to electron flow in a circuit

• A device used to store electrical charge

• The flow of electrons through a certain point

• The energy source for electrical devices

What unit is used to measure electrical current?

• Volt

• Ampere

• Ohm

• Watt

What is voltage?

• The speed of electrical current

• The electrical force or pressure that pushes the current through the circuit

• The amount of electrical charge

• The resistance against the electrical flow

Which of the following is a renewable energy source?

• Coal

• Natural Gas

• Wind

• Nuclear

How is wind energy converted into electrical energy?

• Through the burning of fossil fuels

• By using a turbine to turn kinetic energy into electrical energy

• By splitting atoms

• By heating water to create steam

What does the term "energy transformation" refer to?

• The process of turning solid fuel into liquid fuel

• The movement of energy from one place to another

• The change of energy from one form to another

• The decrease of energy in a system

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Which of the following is an example of energy transformation in a wind turbine?

• Chemical energy to thermal energy

• kinetic energy to electrical energy

• Electrical energy to kinetic energy

• Thermal energy to chemical energy

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Why is wind energy considered a renewable energy source?

• It is the cheapest form of energy

• It can be easily stored for future use

• It is produced from wind, which is naturally replenished

• It does not require any machinery to produce

How do you calculate the power output of a circuit?

• Multiply voltage by current

• subtract power from energy

• magic

• divide current by power