Topic: AC IN RESISTOR, INDUCTOR AND CAPACITOR Alternating current Direct current (DC) circuits involve current flowing in one direction. In alternating current (AC) circuits, instead of a constant voltage supplied by a battery, the voltage oscillates in a sine wave pattern, varying with time as V = Vo sin ωt. In a household circuit, the
SS3 Pysics Revision : AC in Resistor, Capacitor and Inductor Read More »
Topic: Water Content Sources of Water Types of Water Water Pollution Uses of Water Introduction We live on a planet that is dominated by water. More than 70% of the Earth’s surface is covered with this simple molecule. Scientists estimate that the hydrosphere contains about 1.36 billion cubic kilometers of this substance mostly in the
SS2 Chemistry Third Term: WATER Read More »
Topic: Democracy Content Meaning and Characteristics of Democracy Types of Democracy Importance of Democracy Problems of Democracy Meaning of Democracy According to Abraham Lincoln, democracy is the government of the people, by the people and for the people. This is the system of government in which people exercise their political power through periodic election of
SS3 Civic Education: Revision – Democracy Read More »
Grammatical Structures: Revision on finite and non-finite clauses Skill Focus: Avoiding Common errors Vocabulary Development: Register of Science Grammatical Structures: Revision on finite and non-finite clauses What is the structure of the following sentence? Deterred by the lack of future job prospects, many Nigerian secondary school students avoid science subjects. The sentence contains two clauses,
SS3 English Language: Revision on finite and non-finite clauses Read More »
What is Depreciation of Fixed Assets? Depreciation is the systematic reduction in the recorded cost of a fixed asset. Examples of fixed assets that can be depreciated are buildings, furniture, leasehold improvements, and office equipment. The only exception is land, which is not depreciated (since land is not depleted over time, with the exception of
SS1 Financial Accounting Third Term: Depletion of Fixed Assets Read More »
What is Mixture? A mixture consists of more than one element or compound. The components of a mixture can be separated by physical methods. A mixture is a material system made up of two or more different substances which are mixed but are not combined chemically. A mixture refers to the physical combination of two or more
SS1 Chemistry First Term: Mixture Read More »
Topic:Problems of Rapid population growth Content Problems of rapid population growth Advantages of High Population Densities Disadvantages of high population densities Advantages of low population densities Disadvantages of low population densities Problems of Rapid population growth High rate of infant mortality is certain in a growing population because of social pressure High mobility will also
SS2 Geography Third Term: Problems of Population Growth Read More »
Topic: LENSES The reflection and refraction we have dealt with so far have focused only on light interacting with flat surfaces. Lenses and curved mirrors are optical instruments designed to focus light in predictable ways. While light striking a curved surface is more complicated than the flat surfaces we have looked at already, the principle
SS2 Physics Third Term: LENSES Read More »
INTRODUCTION At about ten to fourteen years of age, different changes take place in the body of both boys and girls. These changes are signs of puberty. A. WHAT IS PUBERTY? Puberty is the short span of time which marks the beginning of sexual maturation. This period differs in both boys and girls. Boys gradually
JSS1 Home Economics Third Term: Puberty, Personal Hygiene and Adolescence Read More »
Topic: HOW THE INTERNET WORKS HOW THE INTERNET WORKS On the internet, data and information are transferred world wide through the servers and clients (which are computers) connected to the internet. The computers which are responsible for management of resources i.e program and data on a network, by providing a centralized storage area, is called
JSS2 Computer Science Third Term: How The Internet Works Read More »