Energy Transformers Quiz

What is the main function of a transformer in an electrical circuit?

• To generate electricity

• To change the voltage of electricity

• To store electricity

• To measure electricity

Which of the following is a source of renewable energy?

• Coal

• Oil

• Solar power

• Natural gas

What type of energy is generated by wind turbines?

• Thermal energy

• Electrical energy

• Chemical energy

• Nuclear energy

What is the unit of measurement for electrical power?

• Joules

• Volts

• Watts

• Amperes

Which part of a transformer is responsible for changing the voltage?

• The core

• The primary coil

• The secondary coil

• Both the primary and secondary coils

What is the primary source of energy for hydroelectric power plants?

• Wind

• Sunlight

• Water

• Fossil fuels

Which of the following devices is used to measure electrical current?

• Voltmeter

• Ammeter

• Thermometer

• Barometer

What is the main advantage of using renewable energy sources?

• They are cheaper than fossil fuels

• They produce less pollution

• They are easier to transport

• They are always available