ELECTRICITY
Electricity refers to a type of energy that is gained when there is a flow of electrons from one place to another. Starting from the darkened nights of the Stone Age and coming to the brighten nights of the Iron Age shows that the world has changed rapidly and it's constantly changing. We are living in an ultra-modern era of life style where we are enjoying all the luxurious comforts and never imagined earlier that how these things became the vital necessities in our life. For example, now we enjoy 24/7 supply of electricity. The discovery of electricity is one of the greatest achievements of human being. Thanks to “Thomas Alva Edison” who invented electricity to illuminate the whole world. Now a days we can’t even think life without electricity. In big cities everything depends upon electricity. The use of electricity has made our life comfortable. From the use of a small LED to a huge satellite system, we depend on the “lifeblood” of electricity. Electricity in addition to its other blessings, it helped us to remove darkness and also increased the human efficiency by making it possible to perform greater amount of work in less time. Also unlike the olden days that works were done only during day time, electricity has moved it a different level of which all works can be done at any time without any hesitation.
Electricity is being used in factories, companies, schools, hospitals and all other places where people are living or more preferably saying, are working for the betterment of humanity.
ELECTRICAL APPLIANCES
Electric appliances are almost everywhere, they have actually become so prevalent in our lives that it’s hard to believe they rarely were used a century ago.Electrical appliances are the machines that use electricity to work. Electrical appliances are for our convenience which it makes our life easier.Examples include: iron, Fridge, blender, Fan, Television, rice cooker, electric stove etc.
USES OF ELECTRICITY AT HOME
1. For ironing clothes2. It helps us to cook food at home.
3. It is used for lighting our home.
4. It helps to preserve food.
5. It helps to entertain ourselves.
WAYS OF CONSERVING ELECTRICITY
1. Iron clothes in bulk2. Do not put hot food in fridge.
3. Close all windows when the air condition is on.
4. Electrical appliances must be turned off when not in use.
5. Use energy saving bulbs.
Click on the link below to listen to the audio section of this lesson.........👇👇
https://drive.google.com/electricityandelectronicsbs4&5/view?usp=drivesdk
EXERCISE
1. What are electrical appliances.2. Mention Five (5) electrical appliances you know.
3. State 3 uses of electricity at home.
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