Energy Quiz

What is a transformer used for?

• To generate electricity

• To change the voltage of electricity

• To store electricity

• To measure electricity

Which type of transformer is used to increase voltage?

• Step-down transformer

• Step-up transformer

• Isolation transformer

• Auto transformer

What is the main purpose of a step-down transformer?

• To increase voltage

• To decrease voltage

• To store energy

• To measure current

Which of the following is a renewable energy source?

• Coal

• Natural Gas

• Solar Power

• Nuclear Power

What is the efficiency of a transformer if it converts 95% of the input power to output power?

• 50%

• 75%

• 95%

• 100%

Which method is commonly used to generate electricity in a hydroelectric power plant?

• Burning coal

• Using wind turbines

• Using water flow

• Using solar panels

What type of transformer is used to isolate two circuits?

• Step-up transformer

• Step-down transformer

• Isolation transformer

• Auto transformer

Which of the following is NOT a method of generating electricity?

• Wind turbines

• Solar panels

• Burning wood

• Using batteries

What is the main advantage of using renewable energy sources?

• They are cheaper than fossil fuels

• They never run out

• They produce more energy than non-renewable sources

• They are easier to store

Which of the following is an application of transformers in everyday life?

• Powering household appliances

• Generating electricity

• Storing electricity

• Measuring voltage