Explanation

• Energy consumption refers to how different sectors use power sources like electricity, gas, and fuel.
• Among all sectors, industries require the largest amount of energy for production and manufacturing.
• Industrial activities run machinery, factories, and heavy equipment continuously.

Additional information:

• Transport is usually the second largest energy-consuming sector.

Last verified on 04-05-2026

Explanation

• Energy sources are divided into conventional and non-conventional.
• Conventional sources are reliable and used on a large scale.
• They provide continuous energy supply.
• Non-conventional sources depend on natural conditions like sun or wind.
• Natural gas is a conventional and widely used energy source.

Last verified on 04-05-2026

Explanation

• Natural petroleum is found deep inside the earth.
• It is not directly usable in its raw form.
• It exists as a thick, dark liquid mixture.
• This raw form is called crude oil.
• It is later refined into useful products like petrol, diesel, and kerosene.
• Crude oil is also called “black gold.”

Last verified on 03-05-2026

Explanation

• An electric generator is a device that converts mechanical energy into usable electrical energy.
• This process is based on the principle of electromagnetic induction.
• Discovered in 1831 by British scientist Michael Faraday.

Last verified on 27-04-2026

Explanation

• Coal is a non-renewable resource because it takes millions of years to form and cannot be replenished quickly.
• Pakistan uses coal for energy production, especially in power plants like the Thar coal project.

Non-renewable energy sources:

• Oil
  
• Nuclear energy
• Petroleum
• Natural gas & coal

Renewable sources of energy:

• Solar energy
• Wind energy
• Hydroelectric power
• Biomass energy
• Geothermal energy
• Tidal energy

Last verified on 11-02-2026