What is the source of **wind energy**?
A
Movement of tectonic plates B
Sun’s uneven heating of the Earth C
Gravitational pull of the Moon D
Underground pressure
Analysis & Theory
**Wind energy** is caused by the **uneven heating of the Earth's surface by the Sun**, leading to moving air masses.
What device is used to **convert wind energy into electrical energy**?
A
Windmill B
Wind turbine C
Solar panel D
Steam engine
Analysis & Theory
A **wind turbine** converts the **kinetic energy of moving air (wind)** into **electrical energy**.
Which type of energy conversion takes place in a **wind turbine**?
A
Electrical to mechanical B
Thermal to kinetic C
Kinetic to electrical D
Potential to thermal
Analysis & Theory
A **wind turbine** converts **kinetic energy of wind** into **electrical energy**.
What is a major **advantage** of wind energy?
A
Non-renewable and expensive B
Produces air pollution C
Renewable and environment-friendly D
Can be used in cars
Analysis & Theory
**Wind energy** is a **renewable** source of energy that is **clean and does not cause pollution**.
Which of the following is a **limitation** of wind energy?
A
Very cheap to maintain B
Can be used anywhere C
Depends on wind speed and location D
Works at night only
Analysis & Theory
**Wind energy** depends on **wind availability and speed**, so it is effective only in **windy locations**.
What is a **wind farm**?
A
A place where wind is stored B
A group of solar panels C
A group of wind turbines working together D
A wind measuring station
Analysis & Theory
A **wind farm** is a **collection of wind turbines** installed in one area to produce electricity on a large scale.
Which country is one of the **largest producers** of wind energy?
A
India B
China C
Russia D
Japan
Analysis & Theory
**China** is one of the world’s **leading producers of wind energy**, followed by countries like the USA and India.